INTEL D945GCLF

Intel® Desktop Board
D945GCLF
Technical Product Specification
April 2008
Order Number: E35968-001US
The Intel® Desktop Board D945GCLF may contain design defects or errors known as errata that may cause the product to deviate from published specifications. Current
characterized errata are documented in the Intel Desktop Board D945GCLF Specification Update.
Revision History
Revision
-001
Revision History
First release of the
Specification.
Intel®
Date
Desktop Board D945GCLF Technical Product
April 2008
This product specification applies to only the standard Intel® Desktop Board D945GCLF with
BIOS identifier LF94510J.86A.
Changes to this specification will be published in the Intel Desktop Board D945GCLF
Specification Update before being incorporated into a revision of this document.
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to deviate from published specifications. Current characterized errata are available on request.
Contact your local Intel sales office or your distributor to obtain the latest specifications before placing your
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Copyright © 2008, Intel Corporation. All rights reserved.
Preface
This Technical Product Specification (TPS) specifies the board layout, components,
connectors, power and environmental requirements, and the BIOS for the Intel®
Desktop Board D945GCLF. It describes the standard product and available
manufacturing options.
Intended Audience
The TPS is intended to provide detailed, technical information about the Desktop Board
D945GCLF and its components to the vendors, system integrators, and other
engineers and technicians who need this level of information. It is specifically not
intended for general audiences.
What This Document Contains
Chapter
Description
1
A description of the hardware used on the board
2
A map of the resources of the board
3
The features supported by the BIOS Setup program
4
A description of the BIOS error messages, beep codes, and POST codes
5
Regulatory compliance and battery disposal information
Typographical Conventions
This section contains information about the conventions used in this specification. Not
all of these symbols and abbreviations appear in all specifications of this type.
Notes, Cautions, and Warnings
NOTE
Notes call attention to important information.
#
INTEGRATOR’S NOTES
Integrator’s notes are used to call attention to information that may be useful to
system integrators.
CAUTION
Cautions are included to help you avoid damaging hardware or losing data.
iii
Intel Desktop Board D945GCLF Technical Product Specification
Other Common Notation
iv
#
Used after a signal name to identify an active-low signal (such as USBP0#)
GB
Gigabyte (1,073,741,824 bytes)
GB/sec
Gigabytes per second
Gbit
Gigabit (1,073,741,824 bits)
KB
Kilobyte (1024 bytes)
Kbit
Kilobit (1024 bits)
kbits/sec
1000 bits per second
MB
Megabyte (1,048,576 bytes)
MB/sec
Megabytes per second
Mbit
Megabit (1,048,576 bits)
Mbit/sec
Megabits per second
xxh
An address or data value ending with a lowercase h indicates a hexadecimal value.
x.x V
Volts. Voltages are DC unless otherwise specified.
*
This symbol is used to indicate third-party brands and names that are the property of their
respective owners.
Contents
1 Product Description .............................................................. 9
1.1 Overview........................................................................................ 10
1.1.1 Feature Summary ................................................................ 10
1.1.2 Board Layout ....................................................................... 12
1.1.3 Block Diagram ..................................................................... 14
1.2 Legacy Considerations...................................................................... 15
1.3 Online Support................................................................................ 15
1.4 Processor ....................................................................................... 15
1.5 System Memory .............................................................................. 16
1.6 Intel® 945GC Chipset ...................................................................... 17
1.6.1 Intel 945GC Graphics Subsystem............................................ 17
1.6.2 USB ................................................................................... 19
1.6.3 IDE Support ........................................................................ 20
1.7 Real-Time Clock Subsystem .............................................................. 21
1.8 Legacy I/O Controller ....................................................................... 22
1.8.1 Serial Port ........................................................................... 22
1.8.2 Parallel Port......................................................................... 22
1.8.3 Keyboard and Mouse Interface ............................................... 22
1.9 Audio Subsystem............................................................................. 23
1.9.1 Audio Subsystem Software .................................................... 24
1.9.2 Audio Connectors and Headers ............................................... 24
1.10 LAN Subsystem ............................................................................... 25
1.10.1 LAN Subsystem Software....................................................... 25
1.10.2 RJ-45 LAN Connector with Integrated LEDs .............................. 26
1.11 Hardware Management Subsystem .................................................... 27
1.11.1 Hardware Monitoring............................................................. 27
1.11.2 Thermal Monitoring .............................................................. 28
1.12 Power Management ......................................................................... 29
1.12.1 ACPI................................................................................... 29
1.12.2 Hardware Support ................................................................ 32
1.12.3 ENERGY STAR* .................................................................... 36
2 Technical Reference ............................................................ 37
2.1 Memory Map................................................................................... 37
2.1.1 Addressable Memory............................................................. 37
2.2 Connectors and Headers................................................................... 40
2.2.1 Back Panel Connectors .......................................................... 41
2.2.2 Component-side Connectors and Headers ................................ 42
2.3 Jumper Block .................................................................................. 49
2.4 Mechanical Considerations ................................................................ 50
2.4.1 Form Factor......................................................................... 50
2.5 Electrical Considerations ................................................................... 51
2.5.1 Power Supply Considerations ................................................. 51
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Intel Desktop Board D945GCLF Technical Product Specification
2.5.2 Fan Header Current Capability................................................
2.5.3 Add-in Board Considerations ..................................................
2.6 Thermal Considerations ....................................................................
2.7 Reliability .......................................................................................
2.8 Environmental ................................................................................
51
52
52
54
54
3 Overview of BIOS Features ................................................. 55
3.1 Introduction ...................................................................................
3.2 BIOS Flash Memory Organization .......................................................
3.3 Resource Configuration ....................................................................
3.3.1 PCI* Autoconfiguration..........................................................
3.4 System Management BIOS (SMBIOS).................................................
3.5 Legacy USB Support ........................................................................
3.6 BIOS Updates .................................................................................
3.6.1 Language Support ................................................................
3.6.2 Custom Splash Screen ..........................................................
3.7 BIOS Recovery................................................................................
3.8 Boot Options...................................................................................
3.8.1 CD-ROM Boot ......................................................................
3.8.2 Network Boot.......................................................................
3.8.3 Booting Without Attached Devices...........................................
3.8.4 Changing the Default Boot Device During POST ........................
3.9 Adjusting Boot Speed.......................................................................
3.9.1 Peripheral Selection and Configuration.....................................
3.9.2 BIOS Boot Optimizations .......................................................
3.10 BIOS Security Features ....................................................................
55
56
56
56
57
58
59
59
59
60
61
61
61
61
61
62
62
62
63
4 Error Messages and Beep Codes ......................................... 65
4.1
4.2
4.3
4.4
BIOS Front-panel Power LED Codes....................................................
BIOS Beep Codes ............................................................................
BIOS Error Messages .......................................................................
Port 80h POST Codes .......................................................................
65
66
66
67
5 Regulatory Compliance and Battery Disposal Information .. 73
5.1 Regulatory Compliance.....................................................................
5.1.1 Safety Standards..................................................................
5.1.2 European Union Declaration of Conformity Statement ................
5.1.3 Product Ecology Statements...................................................
5.1.4 EMC Regulations ..................................................................
5.1.5 Product Certification Markings (Board Level).............................
5.2 Battery Disposal Information.............................................................
vi
73
73
74
75
79
80
81
Contents
Figures
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
1. Major Board Components...............................................................
2. Block Diagram..............................................................................
3. Back Panel Audio Connectors..........................................................
4. LAN Connector LED Locations .........................................................
5. Thermal Sensors and Fan Headers ..................................................
6. Location of the Standby Power Indicator LED ....................................
7. Detailed System Memory Address Map.............................................
8. Back Panel Connectors ..................................................................
9. Component-side Connectors and Headers ........................................
10. Connection Diagram for Front Panel Header ....................................
11. Connection Diagram for Front Panel USB Headers............................
12. Location of the Jumper Block ........................................................
13. Board Dimensions .......................................................................
14. Localized High Temperature Zones ................................................
12
14
24
26
28
36
38
41
42
46
48
49
50
53
Tables
Table
Table
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Table
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Table
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Table
Table
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
Feature Summary ................................................................
Board Components Shown in Figure 1 .....................................
Supported Memory Configurations ..........................................
Audio Jack Retasking Support ................................................
LAN Connector LED States .....................................................
Effects of Pressing the Power Switch .......................................
Power States and Targeted System Power................................
Wake-up Devices and Events .................................................
System Memory Map ............................................................
Component-side Connectors and Headers Shown in Figure 9 ......
Front Panel Audio Header ......................................................
Serial ATA Connectors...........................................................
Rear Chassis (3-Pin) Fan Header ............................................
GMCH (3-Pin) Fan Header......................................................
Main Power Connector...........................................................
ATX12V Power Connector ......................................................
Front Panel Header ...............................................................
States for a One-Color Power LED...........................................
States for a Two-Color Power LED...........................................
BIOS Setup Configuration Jumper Settings...............................
Recommended Power Supply Current Values ............................
Fan Header Current Capability................................................
Thermal Considerations for Components ..................................
Desktop Board D945GCLF Environmental Specifications .............
BIOS Setup Program Menu Bar...............................................
BIOS Setup Program Function Keys.........................................
Acceptable Drives/Media Types for BIOS Recovery ....................
Boot Device Menu Options .....................................................
Supervisor and User Password Functions .................................
10
13
16
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26
29
30
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39
43
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Intel Desktop Board D945GCLF Technical Product Specification
Table
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30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
Front-panel Power LED Blink Codes .........................................
Beep Codes .........................................................................
BIOS Error Messages ............................................................
Port 80h POST Code Ranges ..................................................
Port 80h POST Codes ............................................................
Typical Port 80h POST Sequence ............................................
Safety Standards..................................................................
Lead-Free Board Markings .....................................................
EMC Regulations ..................................................................
Product Certification Markings ................................................
65
66
66
67
68
71
73
78
79
80
1
Product Description
What This Chapter Contains
1.1 Overview........................................................................................ 10
1.2 Legacy Considerations...................................................................... 15
1.3 Online Support................................................................................ 15
1.4 Processor ....................................................................................... 15
1.5 System Memory .............................................................................. 16
1.6 Intel® 945GC Chipset ...................................................................... 17
1.7 Real-Time Clock Subsystem .............................................................. 21
1.8 Legacy I/O Controller ....................................................................... 22
1.9 Audio Subsystem............................................................................. 23
1.10 LAN Subsystem ............................................................................... 25
1.11 Hardware Management Subsystem .................................................... 27
1.12 Power Management ......................................................................... 29
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Intel Desktop Board D945GCLF Technical Product Specification
1.1
Overview
1.1.1
Feature Summary
Table 1 summarizes the major features of the Desktop Board D945GCLF.
Table 1. Feature Summary
Form Factor
Mini-ITX, compatible with microATX (6.75 inches by 6.75 inches [171.45
millimeters by 171.45 millimeters])
Processor
Support for the following:
• Soldered-down Intel® Atom® processor 230 with a 533 MHz system bus
Memory
• One 240-pin DDR2 SDRAM Dual Inline Memory Module (DIMM) socket
• Support for DDR2 533 MHz and DDR2 400 MHz DIMMs (DDR2 800 MHz and
DDR 667 MHz validated to run at 533 MHz only)
• Support for up to 2 GB of system memory
Chipset
Intel® 945GC Chipset, consisting of:
• Intel® 82945GC Graphics Memory Controller Hub (GMCH)
• Intel® 82801GB I/O Controller Hub (ICH7)
Audio
4-channel (2+2) audio subsystem using the Realtek* ALC662 high definition
audio codec
Video
Intel® GMA950 onboard graphics subsystem
Legacy I/O Control
SMSC LPC47M997 based Legacy I/O controller for hardware management, serial,
parallel, and PS/2* ports
Peripheral
Interfaces
•
•
•
•
•
•
LAN Support
10/100 Mbits/sec LAN subsystem using Realtek RTL8102EL LAN adapter device
BIOS
• Intel® BIOS (resident in the SPI Flash device)
Six USB 2.0 ports
Two Serial ATA (SATA) headers
One serial port
One parallel port
One Parallel ATA IDE interface with UDMA 33, ATA-66/100 support
PS/2 keyboard and mouse ports
• Support for Advanced Configuration and Power Interface (ACPI), Plug and Play,
and SMBIOS
continued
10
Product Description
Table 1. Feature Summary (continued)
Instantly Available
PC Technology
• Support for PCI* Local Bus Specification Revision 2.3
Expansion
Capabilities
• One PCI Conventional bus connector
Hardware Monitor
Subsystem
• Hardware monitoring through the SMSC I/O controller
• Suspend to RAM support
• Wake on PCI, RS-232, front panel, USB ports, and LAN
• Voltage sense to detect out of range power supply voltages
• Thermal sense to detect out of range thermal values
• Two fan headers
• Two fan sense inputs used to monitor fan activity
• Fan speed control
11
Intel Desktop Board D945GCLF Technical Product Specification
1.1.2
Board Layout
Figure 1 shows the location of the major components.
Figure 1. Major Board Components
Table 2 lists the components identified in Figure 1.
12
Product Description
Table 2. Board Components Shown in Figure 1
Item/callout
from Figure 1
A
Description
PCI Conventional bus add-in card connector
B
Front panel audio header Front panel USB headers
C
Back panel connectors
D
+12V power connector (ATX12V)
E
Chassis fan header
F
Intel Atom processor
G
Intel 82945GC GMCH
H
DIMM socket
I
Main power connector
J
Parallel ATA IDE connector
K
SATA connectors [2]
L
Front panel I/O header
M
Battery
N
Intel 82801GB I/O Controller Hub (ICH7)
O
BIOS Setup configuration jumper block
P
Front panel USB header
13
Intel Desktop Board D945GCLF Technical Product Specification
1.1.3
Block Diagram
Figure 2 is a block diagram of the major functional areas.
Figure 2. Block Diagram
14
Product Description
1.2
Legacy Considerations
This board differs from other Intel Desktop Board products, with specific changes
including (but not limited to) the following:
•
1.3
1.4
No floppy drive connector
Online Support
To find information about…
Visit this World Wide Web site:
Intel® Desktop Board D945GCLF
http://www.intel.com/products/motherboard/D945GCLF/index.htm
Desktop Board Support
http://support.intel.com/support/motherboards/desktop
Available configurations for the
Desktop Board D945GCLF
http://www.intel.com/products/motherboard/D945GCLF/index.htm
Chipset information
http://www.intel.com/products/desktop/chipsets/index.htm
BIOS and driver updates
http://downloadcenter.intel.com
Processor
The board is designed to support the Intel Atom processor 230 soldered down with a
533 MHz system bus.
#
INTEGRATOR’S NOTE
Use only ATX12V-compliant power supplies.
For information about
Refer to
Power supply connectors
Section 2.2.2.3, page 45
15
Intel Desktop Board D945GCLF Technical Product Specification
1.5
System Memory
The board has one 240-pin DIMM socket and supports the following memory features:
•
•
1.8 V (only) DDR2 SDRAM DIMMs with gold-plated contacts
Unbuffered, single-sided or double-sided DIMMs with the following restriction:
Double-sided DIMMs with x16 organization are not supported.
•
•
•
•
•
2 GB maximum total system memory
Minimum total system memory: 128 MB
Non-ECC DIMMs
Serial Presence Detect
DDR2 533 MHz or DDR2 400 MHz SDRAM DIMMs (DDR2 800 MHz and DDR2 667
MHz validated to run at 533 MHz only)
NOTE
To be fully compliant with all applicable DDR2 SDRAM memory specifications, the
board should be populated with DIMMs that support the Serial Presence Detect (SPD)
data structure. This allows the BIOS to read the SPD data and program the chipset to
accurately configure memory settings for optimum performance. If non-SPD memory
is installed, the BIOS will attempt to correctly configure the memory settings, but
performance and reliability may be impacted or the DIMMs may not function under the
determined frequency.
Table 3 lists the supported DIMM configurations.
Table 3. Supported Memory Configurations
DIMM
Capacity
Configuration
SDRAM
Density
SDRAM Organization
Front-side/Back-side
Number of SDRAM
Devices
128 MB
SS
256 Mbit
16 M x 16/empty
4
256 MB
SS
256 Mbit
32 M x 8/empty
8
256 MB
SS
512 Mbit
32 M x 16/empty
4
512 MB
DS
256 Mbit
32 M x 8/32 M x 8
16
512 MB
SS
512 Mbit
64 M x 8/empty
8
512 MB
SS
1 Gbit
64 M x 16/empty
4
1024 MB
DS
512 Mbit
64 M x 8/64 M x 8
16
1024 MB
SS
1 Gbit
128 M x 8/empty
8
2048 MB
DS
1 Gbit
128 M x 8/128 M x 8
16
Note: In the second column, “DS” refers to double-sided memory modules (containing two rows of SDRAM)
and “SS” refers to single-sided memory modules (containing one row of SDRAM).
16
For information about…
Refer to:
Tested Memory
http://support.intel.com/support/motherboards/desktop/sb/
CS-025414.htm
Product Description
1.6
Intel® 945GC Chipset
The Intel 945GC chipset consists of the following devices:
•
•
Intel 82945GC Graphics Memory Controller Hub (GMCH) with Direct Media
Interface (DMI) interconnect
Intel 82801GB I/O Controller Hub (ICH7) with DMI interconnect
The GMCH component provides interfaces to the CPU, memory, PCI Express, and the
DMI interconnect. The component also provides integrated graphics capabilities
supporting 3D, 2D, and display capabilities. The ICH7 is a centralized controller for
the board’s I/O paths.
For information about
Refer to
The Intel 945GC chipset
http://www.intel.com/products/desktop/chipsets/index.htm
Resources used by the chipset
Chapter 2
1.6.1
Intel 945GC Graphics Subsystem
1.6.1.1
Intel® GMA950 Graphics Controller
The Intel GMA950 graphics controller features the following:
•
•
•
400 MHz core frequency
High performance 3-D setup and render engine
High quality texture engine
⎯ DX9* Compliant Hardware Pixel Shader 2.0
⎯ Alpha and luminance maps
⎯ Texture color-keying/chroma-keying
⎯ Cubic environment reflection mapping
•
⎯ Enhanced texture blending functions
3D Graphics Rendering enhancements
⎯ 1.3 Dual Texture GigaPixel/Sec Fill Rate
⎯ 16 and 32 bit color
⎯ Maximum 3D supported resolution of 1600 x 1200 x 32 at 85 Hz
⎯ Vertex cache
⎯ Anti-aliased lines
•
⎯ OpenGL* version 1.4 support with vertex buffer and EXT_Shadow extensions
2D Graphics enhancements
⎯ 8, 16, and 32 bit color
⎯ Optimized 256-bit BLT engine
⎯ Color space conversion
⎯ Anti-aliased lines
17
Intel Desktop Board D945GCLF Technical Product Specification
•
Video
⎯ Hardware motion compensation for MPEG2
•
⎯ Software DVD at 30 fps full screen
Display
⎯ Integrated 24-bit 400 MHz RAMDAC
•
•
⎯ Up to 2048 x 1536 at 75 Hz refresh (QXGA)
Dynamic Video Memory Technology (DVMT) support up to 224 MB
Intel® Zoom Utility
For information about
Refer to
Obtaining graphics software and utilities
Section 1.2, page 15
1.6.1.2
Dynamic Video Memory Technology (DVMT)
DVMT enables enhanced graphics and memory performance through Direct AGP, and
highly efficient memory utilization. DVMT ensures the most efficient use of available
system memory for maximum 2-D/3-D graphics performance. Up to 224 MB of
system memory can be allocated to DVMT on systems that have 512 MB or more of
total system memory installed. Up to 128 MB can be allocated to DVMT on systems
that have 256 MB but less than 512 MB of total installed system memory. Up to 64
MB can be allocated to DVMT when less than 256 MB of system memory is installed.
DVMT returns system memory back to the operating system when the additional
system memory is no longer required by the graphics subsystem.
DVMT will always use a minimal fixed portion of system physical memory (as set in the
BIOS Setup program) for compatibility with legacy applications. An example of this
would be when using VGA graphics under DOS. Once loaded, the operating system
and graphics drivers allocate additional system memory to the graphics buffer as
needed for performing graphics functions.
NOTE
The use of DVMT requires operating system driver support.
1.6.1.3
Configuration Modes
A list of supported modes for the Intel GMA950 graphics controller is available as a
downloadable document.
18
For information about
Refer to
Supported video modes for the board
Section 1.2, page 15
Product Description
1.6.2
USB
The board supports up to six USB 2.0 ports, supports UHCI and EHCI, and uses UHCIand EHCI-compatible drivers.
The ICH7 provides the USB controller for all ports. The port arrangement is as
follows:
•
•
Four ports are implemented with dual stacked back panel connectors
Two ports are routed to a separate front panel USB header
NOTE
Computer systems that have an unshielded cable attached to a USB port may not
meet FCC Class B requirements, even if no device is attached to the cable. Use
shielded cable that meets the requirements for full-speed devices.
For information about
Refer to
The location of the USB connectors on the back panel
Figure 8, page 41
The location of the front panel USB headers
Figure 9, page 42
19
Intel Desktop Board D945GCLF Technical Product Specification
1.6.3
IDE Support
The board provides three IDE interface connectors:
•
•
One parallel ATA IDE connector that supports two devices
Two serial ATA IDE connectors that support one device per connector
1.6.3.1
Parallel ATE IDE Interface
The ICH7’s Parallel ATA IDE controller has one bus-mastering Parallel ATA IDE
interface. The Parallel ATA IDE interface supports the following modes:
•
•
•
•
•
Programmed I/O (PIO): processor controls data transfer.
8237-style DMA: DMA offloads the processor, supporting transfer rates of up to
16 MB/sec.
Ultra DMA: DMA protocol on IDE bus supporting host and target throttling and
transfer rates of up to 33 MB/sec.
ATA-66: DMA protocol on IDE bus supporting host and target throttling and
transfer rates of up to 66 MB/sec. ATA-66 protocol is similar to Ultra DMA and is
device driver compatible.
ATA-100: DMA protocol on IDE bus allows host and target throttling. The ICH7’s
ATA-100 logic can achieve read transfer rates up to 100 MB/sec and write transfer
rates up to 88 MB/sec.
NOTE
ATA-66 and ATA-100 are faster timings and require a specialized cable to reduce
reflections, noise, and inductive coupling.
The Parallel ATA IDE interface also supports ATAPI devices (such as CD-ROM drives)
and ATA devices using the transfer modes.
The BIOS supports Logical Block Addressing (LBA) and Extended Cylinder Head Sector
(ECHS) translation modes. The drive reports the transfer rate and translation mode to
the BIOS.
For information about
Refer to
The location of the Parallel ATA IDE connector
Figure 9, page 42
1.6.3.2
Serial ATA Interfaces
The ICH7’s Serial ATA controller offers two independent Serial ATA ports with a
theoretical maximum transfer rate of 3 Gbits/sec per port. One device can be installed
on each port for a maximum of two Serial ATA devices. A point-to-point interface is
used for host to device connections, unlike Parallel ATA IDE which supports a
master/slave configuration and two devices per channel.
For compatibility, the underlying Serial ATA functionality is transparent to the
operating system. The Serial ATA controller can operate in both legacy and native
modes. In legacy mode, standard IDE I/O and IRQ resources are assigned (IRQ 14
and 15). In Native mode, standard PCI Conventional bus resource steering is used.
Native mode is the preferred mode for configurations using the Windows* XP and
Windows 2000 operating systems.
20
Product Description
NOTE
Many Serial ATA drives use new low-voltage power connectors and require adapters or
power supplies equipped with low-voltage power connectors.
For more information, see: http://www.serialata.org/
1.7
For information about
Refer to
The location of the Serial ATA IDE connectors
Figure 9, page 42
Real-Time Clock Subsystem
A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. When
the computer is not plugged into a wall socket, the battery has an estimated life of
three years. When the computer is plugged in, the standby current from the power
supply extends the life of the battery. The clock is accurate to ± 13 minutes/year at
25 ºC with 3.3 VSB applied.
NOTE
If the battery and AC power fail, custom defaults, if previously saved, will be loaded
into CMOS RAM at power-on.
When the voltage drops below a certain level, the BIOS Setup program settings stored
in CMOS RAM (for example, the date and time) might not be accurate. Replace the
battery with an equivalent one. Figure 1 on page 12 shows the location of the battery.
21
Intel Desktop Board D945GCLF Technical Product Specification
1.8
Legacy I/O Controller
The I/O controller provides the following features:
•
•
•
•
•
•
One serial port
One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port
(EPP) support
Serial IRQ interface compatible with serialized IRQ support for PCI Conventional
bus systems
PS/2-style mouse and keyboard interfaces
Intelligent power management, including a programmable wake-up event interface
PCI Conventional bus power management support
The BIOS Setup program provides configuration options for the I/O controller.
1.8.1
Serial Port
The serial port A connector is located on the back panel. The serial port supports data
transfers at speeds up to 115.2 kbits/sec with BIOS support.
For information about
Refer to
The location of the serial port A connector
Figure 8, page 41
1.8.2
Parallel Port
The 25-pin D-Sub parallel port connector is located on the back panel. Use the BIOS
Setup program to set the parallel port mode.
For information about
Refer to
The location of the parallel port connector
Figure 8, page 41
1.8.3
Keyboard and Mouse Interface
PS/2 keyboard and mouse connectors are located on the back panel.
NOTE
The keyboard is supported in the bottom PS/2 connector and the mouse is supported
in the top PS/2 connector. Power to the computer should be turned off before a
keyboard or mouse is connected or disconnected.
22
For information about
Refer to
The location of the keyboard and mouse connectors
Figure 8, page 41
Product Description
1.9
Audio Subsystem
The audio subsystem consists of the following devices:
•
•
Intel 82801GB ICH7
Realtek ALC662 audio codec
The audio subsystem includes these features:
•
•
•
Signal-to-noise ratio ≥ 90 dB
Supports wake events (driver dependent)
Mic in pre-amp that supports dynamic, condenser, and electret microphones
The audio subsystem supports the following audio interfaces:
•
Front panel audio header, including pins for:
⎯ Line out
•
⎯ Mic in
Back panel audio connectors:
⎯ Line in
⎯ Line out
⎯ Mic in
NOTE
Systems built with AC 97 front panel will not be able to obtain the Microsoft Windows
Vista* logo after June 2007.
Table 4 lists the supported functions of the front panel and back panel audio jacks.
Table 4. Audio Jack Retasking Support
Audio Jack
Supports
Supports
Microphone?
Front Speaker
Supports Line In?
Headphones?
Front panel – Green
No
Yes
No
Front panel – Pink
Yes
No
No
Back panel – Blue
No
No
Yes
Back panel – Green
No
Yes
No
Back panel – Pink
Yes
No
No
23
Intel Desktop Board D945GCLF Technical Product Specification
1.9.1
Audio Subsystem Software
Audio software and drivers are available from Intel’s World Wide Web site.
For information about
Refer to
Obtaining audio software and drivers
Section 1.2, page 15
1.9.2
Audio Connectors and Headers
The board contains audio connectors on the back panel and audio headers on the
component side of the board. The front panel audio header provides mic in and line
out signals for the front panel. Microphone bias is supported for both the front and
back panel microphone connectors.
The front/back panel audio connectors are configurable through the audio device
drivers. The available configurable audio ports are shown in Figure 3.
Item
Description
A
Line in
B
Line out
C
Mic in
Figure 3. Back Panel Audio Connectors
24
For information about
Refer to
The location of the front panel audio header
Figure 9, page 42
The signal names of the front panel audio header
Table 11, page 44
The back panel audio connectors
Section 2.2.1, page 41
Product Description
1.10 LAN Subsystem
The LAN subsystem consists of the following:
•
•
•
Intel 82801GB ICH7
Realtek RTL8102EL device for 10/100 Mbits/sec Ethernet LAN connectivity
RJ-45 LAN connector with integrated status LEDs
Additional features of the LAN subsystem include:
•
•
•
CSMA/CD protocol engine
LAN connect interface that supports the 82562G
PCI Conventional bus power management
⎯ Supports ACPI technology
⎯ Supports LAN wake capabilities
1.10.1
LAN Subsystem Software
LAN software and drivers are available from Intel’s World Wide Web site.
For information about
Refer to
Obtaining LAN software and drivers
Section 1.2, page 15
25
Intel Desktop Board D945GCLF Technical Product Specification
1.10.2
RJ-45 LAN Connector with Integrated LEDs
Two LEDs are built into the RJ-45 LAN connector (shown in Figure 4).
Figure 4. LAN Connector LED Locations
Table 5 describes the LED states when the board is powered up and the
10/100 Mbits/sec LAN subsystem is operating.
Table 5. LAN Connector LED States
LED
LED Color
LED State
A
Green
Blinking
LAN activity is occurring.
Off
10 Mbits/sec data rate is selected.
On
100 Mbits/sec data rate is selected.
B
26
Yellow
Condition
Product Description
1.11 Hardware Management Subsystem
The hardware management features enable the board to be compatible with the Wired
for Management (WfM) specification. The board has several hardware management
features, including the following:
•
•
Thermal and voltage monitoring
Chassis intrusion detection
1.11.1
Hardware Monitoring
The features of the hardware monitoring and fan control include:
•
•
•
•
Internal ambient temperature sensor
Remote thermal diode sensors for direct monitoring of processor temperature and
ambient temperature sensing
Power supply monitoring of five voltages (+5 V, +12 V, +3.3 VSB, +1.5 V, and
+VCCP) to detect levels above or below acceptable values
SMBus interface
27
Intel Desktop Board D945GCLF Technical Product Specification
1.11.2
Thermal Monitoring
Figure 5 shows the locations of the thermal sensors and fan headers.
Item
Description
A
Remote thermal sensor
B
Chassis fan header
C
Thermal diode, located on processor die
Figure 5. Thermal Sensors and Fan Headers
28
Product Description
1.12 Power Management
Power management is implemented at several levels, including:
•
•
Software support through Advanced Configuration and Power Interface (ACPI)
Hardware support:
⎯ Power connector
⎯ Fan headers
⎯ LAN wake capabilities
⎯ Instantly Available PC technology
⎯ Wake from USB
⎯ Wake from PS/2 devices
⎯ Power Management Event signal (PME#) wake-up support
1.12.1
ACPI
ACPI gives the operating system direct control over the power management and Plug
and Play functions of a computer. The use of ACPI with the board requires an
operating system that provides full ACPI support. ACPI features include:
•
•
•
•
•
•
Plug and Play (including bus and device enumeration)
Power management control of individual devices, add-in boards (some add-in
boards may require an ACPI-aware driver), video displays, and hard disk drives
Methods for achieving less than 15-watt system operation in the power-on/standby
sleeping state
A Soft-off feature that enables the operating system to power-off the computer
Support for multiple wake-up events (see Table 8 on page 31)
Support for a front panel power and sleep mode switch
Table 6 lists the system states based on how long the power switch is pressed,
depending on how ACPI is configured with an ACPI-aware operating system.
Table 6. Effects of Pressing the Power Switch
If the system is in this
state…
…and the power switch
is pressed for
Off
(ACPI G2/G5 – Soft off)
Less than four seconds
Power-on
(ACPI G0 – working state)
On
(ACPI G0 – working state)
Less than four seconds
Soft-off/Standby
(ACPI G1 – sleeping state)
On
(ACPI G0 – working state)
More than four seconds
Fail safe power-off
(ACPI G2/G5 – Soft off)
Sleep
(ACPI G1 – sleeping state)
Less than four seconds
Wake-up
(ACPI G0 – working state)
Sleep
(ACPI G1 – sleeping state)
More than four seconds
Power-off
(ACPI G2/G5 – Soft off)
…the system enters this state
29
Intel Desktop Board D945GCLF Technical Product Specification
1.12.1.1
System States and Power States
Under ACPI, the operating system directs all system and device power state
transitions. The operating system puts devices in and out of low-power states based
on user preferences and knowledge of how devices are being used by applications.
Devices that are not being used can be turned off. The operating system uses
information from applications and user settings to put the system as a whole into a
low-power state.
Table 7 lists the power states supported by the board along with the associated
system power targets. See the ACPI specification for a complete description of the
various system and power states.
Table 7. Power States and Targeted System Power
Global
States
Sleeping States
Processor
States
G0 – working
state
S0 – working
C0 – working
D0 – working
state.
Full power > 30 W
G1 – sleeping
state
S1 – Processor
stopped
C1 – stop
grant
D1, D2, D3 –
device
specification
specific.
5 W < power < 52.5 W
G1 – sleeping
state
S3 – Suspend to
RAM. Context
saved to RAM.
No power
D3 – no power
except for
wake-up logic.
Power < 5 W (Note 2)
G1 – sleeping
state
S4 – Suspend to
disk. Context
saved to disk.
No power
D3 – no power
except for
wake-up logic.
Power < 5 W (Note 2)
G2/S5
S5 – Soft off.
Context not saved.
Cold boot is
required.
No power
D3 – no power
except for
wake-up logic.
Power < 5 W (Note 2)
G3 –
mechanical off.
AC power is
disconnected
from the
computer.
No power to the
system.
No power
D3 – no power for
wake-up logic,
except when
provided by
battery or
external source.
No power to the system.
Service can be performed
safely.
Device States
Targeted System
Power (Note 1)
Notes:
30
1.
Total system power is dependent on the system configuration, including add-in boards and peripherals
powered by the system chassis’ power supply.
2.
Dependent on the standby power consumption of wake-up devices used in the system.
Product Description
1.12.1.2
Wake-up Devices and Events
Table 8 lists the devices or specific events that can wake the computer from specific
states.
Table 8. Wake-up Devices and Events
These devices/events can wake up the computer…
…from this state
LAN
S1, S3, S4, S5 (Note 1)
PME# signal
S1, S3, S4, S5 (Note 1)
Power switch
S1, S3, S4, S5
RTC alarm
S3, S4, S5
Serial port
S3
USB
S3
PS/2 devices
S1, S3, S4, S5 (Note 2)
Note 1: For LAN and PME# signal, S5 is disabled by default in the BIOS Setup program. Setting this option
to Power On will enable a wake-up event from LAN in the S5 state.
Note 2: For PS/2 devices, if the computer is in an S4 or S5 state, only the key combination alt-PrtScn will
wake the computer.
NOTE
The use of these wake-up events from an ACPI state requires an operating system
that provides full ACPI support. In addition, software, drivers, and peripherals must
fully support ACPI wake events.
31
Intel Desktop Board D945GCLF Technical Product Specification
1.12.2
Hardware Support
CAUTION
Ensure that the power supply provides adequate +5 V standby current if LAN wake
capabilities and Instantly Available PC technology features are used. Failure to do so
can damage the power supply. The total amount of standby current required depends
on the wake devices supported and manufacturing options.
The board provides several power management hardware features, including:
•
•
•
•
•
•
•
Power connector
Fan headers
LAN wake capabilities
Instantly Available PC technology
Wake from USB
PME# signal wake-up support
Wake from PS/2 devices
LAN wake capabilities and Instantly Available PC technology require power from the
+5 V standby line.
NOTE
The use of Wake from USB technologies from an ACPI state requires an operating
system that provides full ACPI support.
1.12.2.1
Power Connector
ATX12V-compliant power supplies can turn off the system power through system
control. When an ACPI-enabled system receives the correct command, the power
supply removes all non-standby voltages.
When resuming from an AC power failure, the computer returns to the power state it
was in before power was interrupted (on or off). The computer’s response can be set
using the Last Power State feature in the BIOS Setup program’s Boot menu.
32
For information about
Refer to
The location of the main power connector
Figure 9, page 42
The signal names of the main power connector
Table 15, page 45
Product Description
1.12.2.2
Fan Headers
The function/operation of the fan headers is as follows:
•
•
•
•
The fans are on when the board is in the S0 state.
The fans are off when the board is off or in the S3, S4, or S5 state.
The chassis fan header supports closed-loop fan control that can adjust the fan
speed and is wired to a fan tachometer input.
All fan headers have a +12 V DC connection.
For information about
Refer to
The locations of the fan headers and thermal sensors
Figure 5, page 28
The signal names of the GMCH fan header
Table 14, page 44
The signal names of the chassis fan header
Table 13, page 44
1.12.2.3
LAN Wake Capabilities
CAUTION
For LAN wake capabilities, the +5 V standby line from the power supply must be
capable of providing adequate +5 V standby current. Failure to provide adequate
standby current when implementing LAN wake capabilities can damage the power
supply.
LAN wake capabilities enable remote wake-up of the computer through a network.
The LAN subsystem PCI bus network adapter monitors network traffic at the Media
Independent Interface. Upon detecting a Magic Packet* frame, the LAN subsystem
asserts a wake-up signal that powers up the computer. Depending on the LAN
implementation, the board supports LAN wake capabilities with ACPI in the following
ways:
•
The PCI bus PME# signal for PCI 2.3 compliant LAN designs
⎯ By Ping
•
⎯ Magic Packet
The onboard LAN subsystem
33
Intel Desktop Board D945GCLF Technical Product Specification
1.12.2.4
Instantly Available PC Technology
CAUTION
For Instantly Available PC technology, the +5 V standby line from the power supply
must be capable of providing adequate +5 V standby current. Failure to provide
adequate standby current when implementing Instantly Available PC technology can
damage the power supply.
Instantly Available PC technology enables the board to enter the ACPI S3 (Suspend-toRAM) sleep-state. While in the S3 sleep-state, the computer will appear to be off (the
power supply is off, and the front panel LED is amber if dual colored, or off if single
colored.) When signaled by a wake-up device or event, the system quickly returns to
its last known wake state. Table 8 on page 31 lists the devices and events that can
wake the computer from the S3 state.
The board supports the PCI Bus Power Management Interface Specification. Add-in
boards that also support this specification can participate in power management and
can be used to wake the computer.
The use of Instantly Available PC technology requires operating system support and
PCI 2.3 compliant add-in cards and drivers.
34
Product Description
1.12.2.5
Wake from USB
USB bus activity wakes the computer from ACPI S1 and S3 state.
NOTE
Wake from USB requires the use of a USB peripheral that supports Wake from USB
and support in the OS.
1.12.2.6
Wake from PS/2 Devices
PS/2 device activity wakes the computer from an ACPI S1, S3, S4, or S5 state.
However, when the computer is in an S4 or S5 state, the only PS/2 activity that will
wake the computer is the alt-PrtScrn key combination on the keyboard.
1.12.2.7
PME# Signal Wake-up Support
When the PME# signal on the PCI bus is asserted, the computer wakes from an ACPI
S1, S3, S4, or S5 state (with Wake on PME enabled in BIOS).
1.12.2.8
+5 V Standby Power Indicator LED
The +5 V standby power indicator LED shows that power is still present even when the
computer appears to be off. Figure 6 shows the location of the standby power
indicator LED.
CAUTION
If AC power has been switched off and the standby power indicator is still lit,
disconnect the power cord before installing or removing any devices connected to the
board. Failure to do so could damage the board and any attached devices.
35
Intel Desktop Board D945GCLF Technical Product Specification
Figure 6. Location of the Standby Power Indicator LED
1.12.3
ENERGY STAR*
In 2007, the US Department of Energy and the US Environmental Protection Agency
revised the ENERGY STAR* requirements. Intel has worked directly with these two
governmental agencies to define the new requirements. This Intel Desktop Board
meets the Category A requirements.
36
For information about
Refer to
ENERGY STAR requirements and recommended configurations
http://www.intel.com/go/energystar
2
Technical Reference
What This Chapter Contains
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.1
2.1.1
Memory Map................................................................................... 37
Connectors and Headers................................................................... 40
Jumper Block .................................................................................. 49
Mechanical Considerations ................................................................ 50
Electrical Considerations ................................................................... 51
Thermal Considerations .................................................................... 52
Reliability ....................................................................................... 54
Environmental ................................................................................ 54
Memory Map
Addressable Memory
The board utilizes 2 GB of addressable system memory. Typically the address space
that is allocated for PCI Conventional bus add-in cards, PCI Express configuration
space, BIOS (SPI Flash), and chipset overhead resides above the top of DRAM (total
system memory). On a system that has 2 GB of system memory installed, it is not
possible to use all of the installed memory due to system address space being
allocated for other system critical functions. These functions include the following:
•
•
•
•
•
•
BIOS/ SPI Flash (4 MB)
Local APIC (19 MB)
Direct Media Interface (40 MB)
Front side bus interrupts (17 MB)
GMCH base address registers, internal graphics ranges
Memory-mapped I/O that is dynamically allocated for PCI Conventional add-in
cards
37
Intel Desktop Board D945GCLF Technical Product Specification
The amount of installed memory that can be used will vary based on add-in cards and
BIOS settings. Figure 7 shows a schematic of the system memory map. All installed
system memory can be used when there is no overlap of system addresses.
Figure 7. Detailed System Memory Address Map
38
Technical Reference
Table 9 lists the system memory map.
Table 9. System Memory Map
Address Range
(decimal)
Address Range
(hex)
Size
Description
1024 K - 2097152 K
100000 - FFFFFFFF
2048 MB
Extended memory
960 K - 1024 K
F0000 - FFFFF
64 KB
Runtime BIOS
896 K - 960 K
E0000 - EFFFF
64 KB
Reserved
800 K - 896 K
C8000 - DFFFF
96 KB
Potential available high DOS
memory (open to the PCI bus).
Dependent on video adapter used.
640 K - 800 K
A0000 - C7FFF
160 KB
Video memory and BIOS
639 K - 640 K
9FC00 - 9FFFF
1 KB
Extended BIOS data (movable by
memory manager software)
512 K - 639 K
80000 - 9FBFF
127 KB
Extended conventional memory
0 K - 512 K
00000 - 7FFFF
512 KB
Conventional memory
39
Intel Desktop Board D945GCLF Technical Product Specification
2.2
Connectors and Headers
CAUTION
Only the following connectors have overcurrent protection: Back panel and front panel
USB and PS/2.
The other internal connectors/headers are not overcurrent protected and should
connect only to devices inside the computer’s chassis, such as fans and internal
peripherals. Do not use these connectors/headers to power devices external to the
computer’s chassis. A fault in the load presented by the external devices could cause
damage to the computer, the power cable, and the external devices themselves.
NOTE
Computer systems that have an unshielded cable attached to a USB port may not
meet FCC Class B requirements, even if no device is attached to the cable. Use
shielded cable that meets the requirements for full-speed devices.
This section describes the board’s connectors and headers. The connectors and
headers can be divided into these groups:
•
•
40
Back panel I/O connectors (see page 41)
Component-side connectors and headers (see page 42)
Technical Reference
2.2.1
Back Panel Connectors
Figure 8 shows the location of the back panel connectors.
Item
Description
A
PS/2 mouse port
B
PS/2 keyboard port
C
Parallel port
D
Serial port
E
VGA port
F
USB ports [2]
G
LAN
H
USB ports [2]
I
Audio line in
J
Mic in
K
Audio line out
Figure 8. Back Panel Connectors
NOTE
The back panel audio line out connector is designed to power headphones or amplified
speakers only. Poor audio quality occurs if passive (non-amplified) speakers are
connected to this output.
41
Intel Desktop Board D945GCLF Technical Product Specification
2.2.2
Component-side Connectors and Headers
Figure 9 shows the locations of the component-side connectors and headers.
Figure 9. Component-side Connectors and Headers
42
Technical Reference
Table 10 lists the component-side connectors and headers identified in Figure 9.
Table 10. Component-side Connectors and Headers Shown in Figure 9
Item/callout
from Figure 9
A
Description
PCI Conventional bus add-in card connector
B
Front panel audio header Front panel USB headers
C
+12V power connector (ATX12V)
D
Chassis fan header
E
Main power connector
F
Parallel ATA IDE connector
G
SATA connector
H
SATA connector
I
Front panel I/O header
J
Front panel USB header
43
Intel Desktop Board D945GCLF Technical Product Specification
2.2.2.1
Signal Tables for the Connectors and Headers
Table 11. Front Panel Audio Header
Pin
Signal Name
Pin
1
[Port 1] Left channel
2
Ground
3
[Port 1] Right channel
4
PRESENCE# (Dongle present)
5
[Port 2] Right channel
6
[Port 1] SENSE_RETURN
7
SENSE_SEND (Jack detection)
8
Key (no pin)
9
[Port 2] Left channel
10
[Port 2] SENSE_RETURN
Table 12. Serial ATA Connectors
Pin
Signal Name
1
Ground
2
TXP
3
TXN
4
Ground
5
RXN
6
RXP
7
Ground
Table 13. Rear Chassis (3-Pin) Fan Header
Pin
Signal Name
1
Control
2
+12 V
3
Tach
Table 14. GMCH (3-Pin) Fan Header
44
Pin
Signal Name
1
Control
2
+12 V
3
Tach
Signal Name
Technical Reference
2.2.2.2
Add-in Card Connectors
The board has one PCI Conventional (rev 2.3 compliant) bus add-in card connector.
PCI Conventional bus add-in cards with SMBus support can access sensor data and
other information residing on the board.
Note the following considerations for the PCI Conventional bus connectors:
•
•
The PCI Conventional bus connector is bus master capable.
SMBus signals are routed to the PCI Conventional bus connector. This enables PCI
Conventional bus add-in boards with SMBus support to access sensor data on the
board. The specific SMBus signals are as follows:
⎯ The SMBus clock line is connected to pin A40.
⎯ The SMBus data line is connected to pin A41.
2.2.2.3
Power Supply Connectors
The board has the following power supply connectors:
•
•
Main power – a 2 x 10 connector. The board supports the use of ATX12V power
supplies with 2 x 10 or 2 x 12 main power cables.
ATX12V power – a 2 x 2 connector. This connector provides power directly to
the processor voltage regulator and must always be used. Failure to do so will
prevent the board from booting.
Table 15. Main Power Connector
Pin
Signal Name
Pin
Signal Name
1
+3.3 V
11
+3.3 V
2
+3.3 V
12
-12 V
3
Ground
13
Ground
4
+5 V
14
PS-ON# (power supply remote on/off)
5
Ground
15
Ground
6
+5 V
16
Ground
7
Ground
17
Ground
8
PWRGD (Power Good)
18
+5 V
9
+5 V (Standby)
19
+5 V
10
+12 V
20
+5 V
Pin
Signal Name
Table 16. ATX12V Power Connector
Pin
Signal Name
1
Ground
2
Ground
3
+12 V
4
+12 V
For information about
Refer to
Power supply considerations
Section 2.5.1, page 51
45
Intel Desktop Board D945GCLF Technical Product Specification
2.2.2.4
Front Panel Header
This section describes the functions of the front panel header. Table 17 lists the signal
names of the front panel header. Figure 10 is a connection diagram for the front panel
header.
Table 17. Front Panel Header
Pin
In/
Out
Signal
Description
Pin
In/
Out
Signal
Hard Drive Activity LED
Description
Power LED
1
HD_PWR
Out
Hard disk LED
pull-up to +5 V
2
HDR_BLNK_GRN
Out
Front panel green
LED
3
HDA#
Out
Hard disk active
LED
4
HDR_BLNK_YEL
Out
Front panel yellow
LED
Reset Switch
5
Ground
7
FP_RESET#
In
On/Off Switch
Ground
6
FPBUT_IN
Reset switch
8
Ground
Power
9
+5 V
In
Power switch
Ground
Not Connected
Power
10
N/C
Not connected
Figure 10. Connection Diagram for Front Panel Header
46
Technical Reference
2.2.2.4.1
Hard Drive Activity LED Header
Pins 1 and 3 can be connected to an LED to provide a visual indicator that data is
being read from or written to a hard drive. Proper LED function requires one of the
following:
•
•
A Serial ATA hard drive connected to an onboard Serial ATA connector
A Parallel ATA IDE hard drive connected to an onboard Parallel ATA IDE connector
2.2.2.4.2
Reset Switch Header
Pins 5 and 7 can be connected to a momentary single pole, single throw (SPST) type
switch that is normally open. When the switch is closed, the board resets and runs the
POST.
2.2.2.4.3
Power/Sleep LED Header
Pins 2 and 4 can be connected to a one- or two-color LED. Table 18 shows the
possible states for a one-color LED. Table 19 shows the possible states for a two-color
LED.
Table 18. States for a One-Color Power LED
LED State
Description
Off
Power off/sleeping
Steady Green
Running
Table 19. States for a Two-Color Power LED
LED State
Description
Off
Power off
Steady Green
Running
Steady Yellow
Sleeping
NOTE
The colors listed in Table 18 and Table 19 are suggested colors only. Actual LED
colors are chassis-specific.
2.2.2.4.4
Power Switch Header
Pins 6 and 8 can be connected to a front panel momentary-contact power switch. The
switch must pull the SW_ON# pin to ground for at least 50 ms to signal the power
supply to switch on or off. (The time requirement is due to internal debounce circuitry
on the board.) At least two seconds must pass before the power supply will recognize
another on/off signal.
47
Intel Desktop Board D945GCLF Technical Product Specification
2.2.2.5
Front Panel USB Headers
Figure 11 is a connection diagram for the front panel USB headers.
#
INTEGRATOR’S NOTES
•
•
The +5 V DC power on the USB headers is fused.
Use only a front panel USB connector that conforms to the USB 2.0 specification
for high-speed USB devices.
Figure 11. Connection Diagram for Front Panel USB Headers
48
Technical Reference
2.3
Jumper Block
CAUTION
Do not move the jumper with the power on. Always turn off the power and unplug the
power cord from the computer before changing a jumper setting. Otherwise, the
board could be damaged.
Figure 12 shows the location of the jumper block. The jumper determines the BIOS
Setup program’s mode. Table 20 lists the jumper settings for the three modes:
normal, configure, and recovery. When the jumper is set to configure mode and the
computer is powered-up, the BIOS compares the processor version and the microcode
version in the BIOS and reports if the two match.
Figure 12. Location of the Jumper Block
Table 20. BIOS Setup Configuration Jumper Settings
Function/Mode
Jumper Setting
Configuration
Normal
1-2
The BIOS uses current configuration information and
passwords for booting.
3 2 1
Configure
2-3
Recovery
None
After the POST runs, Setup runs automatically. The
maintenance menu is displayed.
3 2 1
3 2 1
The BIOS attempts to recover the BIOS configuration. See
Section 3.7 for more information on BIOS recovery.
49
Intel Desktop Board D945GCLF Technical Product Specification
2.4
2.4.1
Mechanical Considerations
Form Factor
The board is designed to fit into a micro-ATX-form-factor chassis. Figure 13 illustrates
the mechanical form factor for the board. Dimensions are given in inches
[millimeters]. The outer dimensions are 6.75 inches by 6.75 inches [171.45
millimeters by 171.45 millimeters]. Location of the I/O connectors and mounting
holes are in compliance with the micro-ATX specification.
Figure 13. Board Dimensions
50
Technical Reference
2.5
Electrical Considerations
2.5.1
Power Supply Considerations
CAUTION
The +5 V standby line from the power supply must be capable of providing adequate
+5 V standby current. Failure to do so can damage the power supply. The total
amount of standby current required depends on the wake devices supported and
manufacturing options.
Additional power required will depend on configurations chosen by the integrator.
The power supply must comply with the indicated parameters of the ATX form factor
specification.
• The potential relation between 3.3 VDC and +5 VDC power rails
• The current capability of the +5 VSB line
• All timing parameters
• All voltage tolerances
For example, for a system consisting of a D945GCLF board (with integrated Intel Atom
processor at 4 W), 2 GB DDR2 RAM, one hard disk drive, one optical drive, and all
board peripherals enabled, the minimum recommended power supply is 75 W. Table
20 lists the recommended power supply current values.
Table 21. Recommended Power Supply Current Values
Output Voltage
3.3 V
5V
12 V1
12 V2
-12 V
5 VSB
Current
0.51 A
7.75 A
0.52 A
0.32 A
0.018 A
0.3 A
2.5.2
Fan Header Current Capability
CAUTION
The processor fan must be connected to the processor fan header, not to a chassis fan
header. Connecting the processor fan to a chassis fan header may result in onboard
component damage that will halt fan operation.
Table 22 lists the current capability of the fan headers.
Table 22. Fan Header Current Capability
Fan Header
Maximum Available Current
GMCH fan
2.0 A
Rear chassis fan
1.5 A
51
Intel Desktop Board D945GCLF Technical Product Specification
2.5.3
Add-in Board Considerations
The board is designed to provide 2 A (average) of +5 V current for the one add-in
board. The total +5 V current draw for the one add-in board must not exceed 2 A.
2.6
Thermal Considerations
CAUTION
A chassis with a maximum internal ambient temperature of 38 oC at the processor fan
inlet is a requirement.
CAUTION
Failure to ensure appropriate airflow may result in reduced performance of both the
processor and/or voltage regulator or, in some instances, damage to the board. For a
list of chassis that have been tested with Intel desktop boards please refer to the
following website:
http://developer.intel.com/design/motherbd/cooling.htm
All responsibility for determining the adequacy of any thermal or system design
remains solely with the reader. Intel makes no warranties or representations that
merely following the instructions presented in this document will result in a system
with adequate thermal performance.
CAUTION
Ensure that the ambient temperature does not exceed the board’s maximum operating
temperature. Failure to do so could cause components to exceed their maximum case
temperature and malfunction. For information about the maximum operating
temperature, see the environmental specifications in Section 2.8.
CAUTION
Ensure that proper airflow is maintained in the processor voltage regulator circuit.
Failure to do so may result in damage to the voltage regulator circuit. The processor
voltage regulator area (shown in Figure 14) can reach a temperature of up to 85 oC in
an open chassis.
52
Technical Reference
Figure 14 shows the locations of the localized high temperature zones.
Item
Description
A
Processor voltage regulator area
B
C
Processor
Intel 82945GC GMCH
D
Intel 82801GB ICH7
Figure 14. Localized High Temperature Zones
Table 23 provides maximum case temperatures for the board components that are
sensitive to thermal changes. The operating temperature, current load, or operating
frequency could affect case temperatures. Maximum case temperatures are important
when considering proper airflow to cool the board.
Table 23. Thermal Considerations for Components
Component
Maximum Case Temperature
Processor
For processor case temperature, see processor datasheets and
processor specification updates
Intel 82945GC GMCH
97 oC (under bias)
Intel 82801GB ICH7
92 oC (under bias)
For information about
Refer to
Processor datasheets and specification updates
Section 1.2, page 15
53
Intel Desktop Board D945GCLF Technical Product Specification
2.7
Reliability
The Mean Time Between Failures (MTBF) prediction is calculated using component and
subassembly random failure rates. The calculation is based on the Bellcore Reliability
Prediction Procedure, TR-NWT-000332, Issue 4, September 1991. The MTBF
prediction is used to estimate repair rates and spare parts requirements.
The MTBF data is calculated from predicted data at 55 ºC. The Desktop Board
D945GCLF MTBF is 79,088.33297 hours.
2.8
Environmental
Table 24 lists the environmental specifications for the board.
Table 24. Desktop Board D945GCLF Environmental Specifications
Parameter
Specification
Temperature
Non-Operating
-40 °C to +70 °C
Operating
0 °C to +55 °C
Shock
Unpackaged
50 g trapezoidal waveform
Velocity change of 170 inches/second²
Packaged
Half sine 2 millisecond
Product weight (pounds)
Free fall (inches)
Velocity change
(inches/sec²)
<20
36
167
21-40
30
152
41-80
24
136
81-100
18
118
Vibration
Unpackaged
5 Hz to 20 Hz: 0.01 g² Hz sloping up to 0.02 g² Hz
20 Hz to 500 Hz: 0.02 g² Hz (flat)
Packaged
10 Hz to 40 Hz: 0.015 g² Hz (flat)
40 Hz to 500 Hz: 0.015 g² Hz sloping down to 0.00015 g² Hz
54
3
Overview of BIOS Features
What This Chapter Contains
3.1 Introduction ...................................................................................
3.2 BIOS Flash Memory Organization .......................................................
3.3 Resource Configuration ....................................................................
3.4 System Management BIOS (SMBIOS).................................................
3.5 Legacy USB Support ........................................................................
3.6 BIOS Updates .................................................................................
3.7 BIOS Recovery................................................................................
3.8 Boot Options...................................................................................
3.9 Adjusting Boot Speed.......................................................................
3.10 BIOS Security Features ....................................................................
3.1
55
56
56
57
58
59
60
61
62
63
Introduction
The board uses an Intel BIOS that is stored in the Serial Peripheral Interface Flash
Memory (SPI Flash) and can be updated using a disk-based program. The SPI Flash
contains the BIOS Setup program, POST, the PCI auto-configuration utility, LAN
EEPROM information, and Plug and Play support.
The BIOS displays a message during POST identifying the type of BIOS and a revision
code. The initial production BIOSs are identified as LF94510J.86A.
When the BIOS Setup configuration jumper is set to configure mode and the computer
is powered-up, the BIOS compares the CPU version and the microcode version in the
BIOS and reports if the two match.
The BIOS Setup program can be used to view and change the BIOS settings for the
computer. The BIOS Setup program is accessed by pressing the <F2> key after the
Power-On Self-Test (POST) memory test begins and before the operating system boot
begins. The menu bar is shown below.
Maintenance Main
Advanced
Security
Power
Boot
Exit
NOTE
The maintenance menu is displayed only when the board is in configure mode.
Section 2.3 on page 49 shows how to put the board in configure mode.
55
Intel Desktop Board D945GCLF Technical Product Specification
Table 25 lists the BIOS Setup program menu features.
Table 25. BIOS Setup Program Menu Bar
Maintenance
Main
Advanced
Security
Power
Boot
Exit
Clears
Displays
Configures
Sets
Configures
Selects boot
Saves or
passwords and
processor
advanced
passwords
power
options
discards
displays
and memory
features
and security
management
changes to
processor
configuration
available
features
features and
Setup
through the
power supply
program
chipset
controls
options
information
Table 26 lists the function keys available for menu screens.
Table 26. BIOS Setup Program Function Keys
BIOS Setup Program
Function Key
Description
<←> or <→>
Selects a different menu screen (Moves the cursor left or right)
<↑> or <↓>
Selects an item (Moves the cursor up or down)
<Tab>
Selects a field (Not implemented)
<Enter>
Executes command or selects the submenu
<F9>
Load the default configuration values for the current menu
<F10>
Save the current values and exits the BIOS Setup program
<Esc>
Exits the menu
3.2
BIOS Flash Memory Organization
The Serial Peripheral Interface Flash Memory (SPI Flash) includes an 4 Mbit (512 KB)
flash memory device.
3.3
3.3.1
Resource Configuration
PCI* Autoconfiguration
The BIOS can automatically configure PCI devices. PCI devices may be onboard or
add-in cards. Autoconfiguration lets a user insert or remove PCI cards without having
to configure the system. When a user turns on the system after adding a PCI card,
the BIOS automatically configures interrupts, the I/O space, and other system
resources. Any interrupts set to Available in Setup are considered to be available for
use by the add-in card.
56
Overview of BIOS Features
3.4
System Management BIOS (SMBIOS)
SMBIOS is a Desktop Management Interface (DMI) compliant method for managing
computers in a managed network.
The main component of SMBIOS is the Management Information Format (MIF)
database, which contains information about the computing system and its
components. Using SMBIOS, a system administrator can obtain the system types,
capabilities, operational status, and installation dates for system components. The
MIF database defines the data and provides the method for accessing this information.
The BIOS enables applications such as third-party management software to use
SMBIOS. The BIOS stores and reports the following SMBIOS information:
•
•
•
•
BIOS data, such as the BIOS revision level
Fixed-system data, such as peripherals, serial numbers, and asset tags
Resource data, such as memory size, cache size, and processor speed
Dynamic data, such as event detection and error logging
Non-Plug and Play operating systems require an additional interface for obtaining the
SMBIOS information. The BIOS supports an SMBIOS table interface for such operating
systems. Using this support, an SMBIOS service-level application running on a
non-Plug and Play operating system can obtain the SMBIOS information. Additional
board information can be found in the BIOS under the Additional Information header
under the Main BIOS page.
57
Intel Desktop Board D945GCLF Technical Product Specification
3.5
Legacy USB Support
Legacy USB support enables USB devices to be used even when the operating
system’s USB drivers are not yet available. Legacy USB support is used to access the
BIOS Setup program, and to install an operating system that supports USB. By
default, Legacy USB support is set to Enabled.
Legacy USB support operates as follows:
1. When you apply power to the computer, legacy support is disabled.
2. POST begins.
3. Legacy USB support is enabled by the BIOS allowing you to use a USB keyboard to
enter and configure the BIOS Setup program and the maintenance menu.
4. POST completes.
5. The operating system loads. While the operating system is loading, USB
keyboards and mice are recognized and may be used to configure the operating
system. (Keyboards and mice are not recognized during this period if Legacy USB
support was set to Disabled in the BIOS Setup program.)
6. After the operating system loads the USB drivers, all legacy and non-legacy USB
devices are recognized by the operating system, and Legacy USB support from the
BIOS is no longer used.
7. Additional USB legacy feature options can be access by using Intel Integrator
Toolkit.
To install an operating system that supports USB, verify that Legacy USB support in
the BIOS Setup program is set to Enabled and follow the operating system’s
installation instructions.
58
Overview of BIOS Features
3.6
BIOS Updates
The BIOS can be updated using either of the following utilities, which are available on
the Intel World Wide Web site:
•
•
Intel® Express BIOS Update utility, which enables automated updating while in the
Windows environment. Using this utility, the BIOS can be updated from a file on a
hard disk, a USB drive (a flash drive or a USB hard drive), or a CD-ROM, or from
the file location on the Web.
Intel® Flash Memory Update Utility, which requires booting from DOS. Using this
utility, the BIOS can be updated from a file on a hard disk, a USB drive (a flash
drive or a USB hard drive), or a CD-ROM.
Both utilities verify that the updated BIOS matches the target system to prevent
accidentally installing an incompatible BIOS.
NOTE
Review the instructions distributed with the upgrade utility before attempting a BIOS
update.
For information about
Refer to
BIOS update utilities
http://support.intel.com/support/motherboards/desktop/sb/
CS-022312.htm.
3.6.1
Language Support
The BIOS Setup program and help messages are supported in US English. Additional
languages are available in the Integrator’s Toolkit utility. Check the Intel website for
details.
3.6.2
Custom Splash Screen
During POST, an Intel® splash screen is displayed by default. This splash screen can
be augmented with a custom splash screen. The Intel® Integrator’s Toolkit that is
available from Intel can be used to create a custom splash screen.
NOTE
If you add a custom splash screen, it will share space with the Intel branded logo.
For information about
Refer to
Intel Integrator Toolkit
http://developer.intel.com/design/motherbd/software/itk/
Additional Intel® software tools
http://developer.intel.com/products/motherboard/dg965wh/tools.htm
and
http://developer.intel.com/design/motherbd/software.htm
59
Intel Desktop Board D945GCLF Technical Product Specification
3.7
BIOS Recovery
It is unlikely that anything will interrupt a BIOS update; however, if an interruption
occurs, the BIOS could be damaged. Table 27 lists the drives and media types that
can and cannot be used for BIOS recovery. The BIOS recovery media does not need
to be made bootable.
Table 27. Acceptable Drives/Media Types for BIOS Recovery
60
Media Type
Can be used for BIOS recovery?
CD-ROM drive connected to the Parallel ATA interface
Yes
CD-ROM drive connected to the Serial ATA interface
Yes
USB removable drive (a USB Flash Drive, for example)
Yes
USB diskette drive (with a 1.44 MB diskette)
No
USB hard disk drive
No
For information about
Refer to
BIOS recovery
http://support.intel.com/support/motherboards/desktop
Overview of BIOS Features
3.8
Boot Options
In the BIOS Setup program, the user can choose to boot from a diskette drive, hard
drive, USB drive, USB flash drive, CD-ROM, or the network. The default setting is for
the diskette drive to be the first boot device, the hard drive second, and the ATAPI
CD-ROM third. If enabled, the last default boot device is the network.
3.8.1
CD-ROM Boot
Booting from CD-ROM is supported in compliance to the El Torito bootable CD-ROM
format specification. Under the Boot menu in the BIOS Setup program, ATAPI CDROM is listed as a boot device. Boot devices are defined in priority order. Accordingly,
if there is not a bootable CD in the CD-ROM drive, the system will attempt to boot
from the next defined drive.
3.8.2
Network Boot
The network can be selected as a boot device. This selection allows booting from the
onboard LAN or a network add-in card with a remote boot ROM installed.
Pressing the <F12> key during POST automatically forces booting from the LAN. To
use this key during POST, the User Access Level in the BIOS Setup program's Security
menu must be set to Full.
3.8.3
Booting Without Attached Devices
For use in embedded applications, the BIOS has been designed so that after passing
the POST, the operating system loader is invoked even if the following devices are not
present:
•
•
•
Video adapter
Keyboard
Mouse
3.8.4
Changing the Default Boot Device During POST
Pressing the <F10> key during POST causes a boot device menu to be displayed. This
menu displays the list of available boot devices (as set in the BIOS setup program’s
Boot Device Priority Submenu). Table 28 lists the boot device menu options.
Table 28. Boot Device Menu Options
Boot Device Menu Function Keys
Description
<↑> or <↓>
Selects a default boot device
<Enter>
Exits the menu, saves changes, and boots from the selected
device
<Esc>
Exits the menu without saving changes
61
Intel Desktop Board D945GCLF Technical Product Specification
3.9
Adjusting Boot Speed
These factors affect system boot speed:
•
•
3.9.1
Selecting and configuring peripherals properly
Optimized BIOS boot parameters
Peripheral Selection and Configuration
The following techniques help improve system boot speed:
•
•
•
•
3.9.2
Choose a hard drive with parameters such as “power-up to data ready” less than
eight seconds, that minimize hard drive startup delays.
Select a CD-ROM drive with a fast initialization rate. This rate can influence POST
execution time.
Eliminate unnecessary add-in adapter features, such as logo displays, screen
repaints, or mode changes in POST. These features may add time to the boot
process.
Try different monitors. Some monitors initialize and communicate with the BIOS
more quickly, which enables the system to boot more quickly.
BIOS Boot Optimizations
Use of the following BIOS Setup program settings reduces the POST execution time.
•
•
In the Boot Menu, set the hard disk drive as the first boot device. As a result, the
POST does not first seek a diskette drive, which saves about one second from the
POST execution time.
In the Peripheral Configuration submenu, disable the LAN device if it will not be
used. This can reduce up to four seconds of option ROM boot time.
NOTE
It is possible to optimize the boot process to the point where the system boots so
quickly that the Intel logo screen (or a custom logo splash screen) will not be seen.
Monitors and hard disk drives with minimum initialization times can also contribute to
a boot time that might be so fast that necessary logo screens and POST messages
cannot be seen.
This boot time may be so fast that some drives might be not be initialized at all. If
this condition should occur, it is possible to introduce a programmable delay ranging
from three to 30 seconds (using the Hard Disk Pre-Delay feature of the Advanced
Menu in the Drive Configuration Submenu of the BIOS Setup program).
62
Overview of BIOS Features
3.10 BIOS Security Features
The BIOS includes security features that restrict access to the BIOS Setup program
and who can boot the computer. A supervisor password and a user password can be
set for the BIOS Setup program and for booting the computer, with the following
restrictions:
•
•
•
•
•
•
•
The supervisor password gives unrestricted access to view and change all the
Setup options in the BIOS Setup program. This is the supervisor mode.
The user password gives restricted access to view and change Setup options in the
BIOS Setup program. This is the user mode.
If only the supervisor password is set, pressing the <Enter> key at the password
prompt of the BIOS Setup program allows the user restricted access to Setup.
If both the supervisor and user passwords are set, users can enter either the
supervisor password or the user password to access Setup. Users have access to
Setup respective to which password is entered.
Setting the user password restricts who can boot the computer. The password
prompt will be displayed before the computer is booted. If only the supervisor
password is set, the computer boots without asking for a password. If both
passwords are set, the user can enter either password to boot the computer.
For enhanced security, use different passwords for the supervisor and user
passwords.
Valid password characters are A-Z, a-z, and 0-9. Passwords may be up to
16 characters in length.
Table 29 shows the effects of setting the supervisor password and user password.
This table is for reference only and is not displayed on the screen.
Table 29. Supervisor and User Password Functions
Setup Options
Password
to Enter
Setup
Password
During
Boot
None
None
None
Can change a
Supervisor Password
limited number
of options
Supervisor
None
N/A
Can change all
options
User
User
Can change all
options
Can change a
Supervisor Password
limited number Enter Password
of options
Supervisor or
user
Supervisor or
user
Password
Set
Supervisor
Mode
User Mode
Neither
Can change all
options (Note)
Can change all
options (Note)
Supervisor
only
Can change all
options
User only
Supervisor
and user set
Note:
Enter Password
Clear User Password
If no password is set, any user can change all Setup options.
63
Intel Desktop Board D945GCLF Technical Product Specification
64
4
Error Messages and Beep Codes
What This Chapter Contains
4.1
4.2
4.3
4.4
BIOS Front-panel Power LED Codes....................................................
BIOS Beep Codes ............................................................................
BIOS Error Messages .......................................................................
Port 80h POST Codes .......................................................................
4.1
65
66
66
67
BIOS Front-panel Power LED Codes
The front-panel power LED blinks off and on to display messages. For example, the
power LED is on when the system is powered on, and blinks off for 0.5 second when
processor initialization is complete. In addition, whenever a recoverable error occurs
during POST, the BIOS causes the front-panel power LED to blink an error message
describing the problem (see Table 31).
Table 30. Front-panel Power LED Blink Codes
Type
Pattern
Processor initialization complete
On when system powers up, then off for 0.5 second.
POST complete
On when system powers up, then off for 0.5 second.
BIOS update in progress
Off when update begins, then on for 0.5 second, then off for 0.5
second; pattern repeats until BIOS update is complete.
Video error
On-off (0.5 second each) two times, then 3.0 second pause (off)
between on-off blink pattern; repeat entire pattern (two on-off
blinks and pause) until system is powered off.
Memory error
On-off (0.5 second each) three times, then 3.0 second pause (off)
between on-off blink pattern; repeat entire pattern (three on-off
blinks and 3-second pause) until system is powered off.
Thermal warning
On-off (0.5 second each) four times, then 3.0 second pause (off)
between on-off blink pattern; repeat entire pattern (four on-off
blinks and 3-second pause) until 16th on blink, then end.
65
Intel Desktop Board D945GCLF Technical Product Specification
4.2
BIOS Beep Codes
Whenever a recoverable error occurs during POST, the BIOS causes the board’s
speaker to beep an error message describing the problem (see Table 31).
NOTE
For Intel Desktop Board D945GCLF, the beep code is only audible through a speaker
connected to the green audio line out connector on the back panel. See Figure 3 on
page 24 for information on the back panel audio connectors.
Table 31. Beep Codes
Type
Pattern
Frequency
Memory error
Three long beeps
1280 Hz
Four alternating beeps:
High tone: 2000 Hz
High tone, low tone, high tone, low tone
Low tone: 1600 Hz
Thermal warning
4.3
BIOS Error Messages
Whenever a recoverable error occurs during POST, the BIOS displays an error
message describing the problem. Table 32 lists the error messages and provides a
brief description of each.
Table 32. BIOS Error Messages
66
Error Message
Explanation
CMOS Battery Low
The battery may be losing power. Replace the battery soon.
CMOS Checksum Bad
The CMOS checksum is incorrect. CMOS memory may have been
corrupted. Run Setup to reset values.
Memory Size Decreased
Memory size has decreased since the last boot. If no memory
was removed, then memory may be bad.
No Boot Device Available
System did not find a device to boot.
Error Messages and Beep Codes
4.4
Port 80h POST Codes
During the POST, the BIOS generates diagnostic progress codes (POST codes) to I/O
port 80h. If the POST fails, execution stops and the last POST code generated is left
at port 80h. This code is useful for determining the point where an error occurred.
Displaying the POST codes requires a PCI bus add-in card, often called a POST card.
The POST card can decode the port and display the contents on a medium such as a
seven-segment display.
NOTE
The POST card must be installed in PCI bus connector 1.
The following tables provide information about the POST codes generated by the
BIOS:
•
•
•
Table 33 lists the Port 80h POST code ranges
Table 34 lists the Port 80h POST codes themselves
Table 35 lists the Port 80h POST sequence
NOTE
In the tables listed above, all POST codes and range values are listed in hexadecimal.
Table 33. Port 80h POST Code Ranges
Range
Category/Subsystem
00 – 0F
Debug codes: Can be used by any PEIM/driver for debug.
10 – 1F
Host Processors: 1F is an unrecoverable CPU error.
20 – 2F
Memory/Chipset: 2F is no memory detected or no useful memory detected.
30 – 3F
Recovery: 3F indicated recovery failure.
40 – 4F
Reserved for future use.
50 – 5F
I/O Busses: PCI, USB, ISA, ATA, etc. 5F is an unrecoverable error. Start with PCI.
60 – 6F
Reserved for future use (for new busses).
70 – 7F
Output Devices: All output consoles. 7F is an unrecoverable error.
80 – 8F
Reserved for future use (new output console codes).
90 – 9F
Input devices: Keyboard/Mouse. 9F is an unrecoverable error.
A0 – AF
Reserved for future use (new input console codes).
B0 – BF
Boot Devices: Includes fixed media and removable media. BF is an unrecoverable error.
C0 – CF
Reserved for future use.
D0 – DF
Boot device selection.
E0 – FF
E0 – EE: Miscellaneous codes. See Table 34.
EF: boot/S3 resume failure.
F0 – FF: FF processor exception.
67
Intel Desktop Board D945GCLF Technical Product Specification
Table 34. Port 80h POST Codes
POST Code
Description of POST Operation
Host Processor
10
Power-on initialization of the host processor (Boot Strap Processor)
11
Host processor cache initialization (including APs)
12
Starting Application processor initialization
13
SMM initialization
Chipset
21
Initializing a chipset component
22
Reading SPD from memory DIMMs
23
Detecting presence of memory DIMMs
24
Programming timing parameters in the memory controller and the DIMMs
25
Configuring memory
26
Optimizing memory settings
27
Initializing memory, such as ECC init
28
Testing memory
50
Enumerating PCI busses
51
Allocating resources to PCI bus
Memory
PCI Bus
52
Hot Plug PCI controller initialization
53 – 57
Reserved for PCI Bus
USB
58
Resetting USB bus
59
Reserved for USB
5A
Resetting PATA/SATA bus and all devices
5B
Reserved for ATA
ATA/ATAPI/SATA
SMBus
5C
Resetting SMBus
5D
Reserved for SMBus
Local Console
70
Resetting the VGA controller
71
Disabling the VGA controller
72
Enabling the VGA controller
78
Resetting the console controller
79
Disabling the console controller
7A
Enabling the console controller
Remote Console
continued
68
Error Messages and Beep Codes
Table 34. Port 80h POST Codes (continued)
POST Code
Description of POST Operation
Keyboard (PS/2 or USB)
90
Resetting keyboard
91
Disabling keyboard
92
Detecting presence of keyboard
93
Enabling the keyboard
94
Clearing keyboard input buffer
95
Instructing keyboard controller to run Self Test (PS/2 only)
Mouse (PS/2 or USB)
98
Resetting mouse
99
Disabling mouse
9A
Detecting presence of mouse
9B
Enabling mouse
Fixed Media
B0
Resetting fixed media
B1
Disabling fixed media
B2
Detecting presence of a fixed media (IDE hard drive detection etc.)
B3
Enabling/configuring a fixed media
Removable Media
B8
Resetting removable media
B9
Disabling removable media
BA
Detecting presence of a removable media (IDE, CD-ROM detection, etc.)
BC
Enabling/configuring a removable media
Dy
Trying boot selection y (y=0 to 15)
BDS
PEI Core
E0
Started dispatching PEIMs (emitted on first report of EFI_SW_PC_INIT_BEGIN
EFI_SW_PEI_PC_HANDOFF_TO_NEXT)
E2
Permanent memory found
E1, E3
Reserved for PEI/PEIMs
DXE Core
E4
Entered DXE phase
E5
Started dispatching drivers
E6
Started connecting drivers
continued
69
Intel Desktop Board D945GCLF Technical Product Specification
Table 34. Port 80h POST Codes (continued)
POST Code
Description of POST Operation
DXE Drivers
E7
Waiting for user input
E8
Checking password
E9
Entering BIOS setup
EB
Calling Legacy Option ROMs
Runtime Phase/EFI OS Boot
F4
Entering Sleep state
F5
Exiting Sleep state
F8
EFI boot service ExitBootServices ( ) has been called
F9
EFI runtime service SetVirtualAddressMap ( ) has been called
FA
EFI runtime service ResetSystem ( ) has been called
PEIMs/Recovery
70
30
Crisis Recovery has initiated per user request
31
Crisis Recovery has initiated by software (corrupt flash)
34
Loading recovery capsule
35
Handing off control to the recovery capsule
3F
Unable to recover
Error Messages and Beep Codes
Table 35. Typical Port 80h POST Sequence
POST Code
Description
21
Initializing a chipset component
22
Reading SPD from memory DIMMs
23
Detecting presence of memory DIMMs
25
Configuring memory
28
Testing memory
34
Loading recovery capsule
E4
Entered DXE phase
12
Starting application processor initialization
13
SMM initialization
50
Enumerating PCI busses
51
Allocating resourced to PCI bus
92
Detecting the presence of the keyboard
90
Resetting keyboard
94
Clearing keyboard input buffer
95
Keyboard Self Test
EB
Calling Video BIOS
58
Resetting USB bus
5A
Resetting PATA/SATA bus and all devices
92
Detecting the presence of the keyboard
90
Resetting keyboard
94
Clearing keyboard input buffer
5A
Resetting PATA/SATA bus and all devices
28
Testing memory
90
Resetting keyboard
94
Clearing keyboard input buffer
E7
Waiting for user input
01
INT 19
00
Ready to boot
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Intel Desktop Board D945GCLF Technical Product Specification
72
5
Regulatory Compliance and Battery
Disposal Information
What This Chapter Contains
5.1 Regulatory Compliance..................................................................... 73
5.2 Battery Disposal Information............................................................. 81
5.1
Regulatory Compliance
This section contains the following regulatory compliance information for Desktop
Board D945GCLF:
•
•
•
•
•
5.1.1
Safety standards
European Union Declaration of Conformity statement
Product Ecology statements
Electromagnetic Compatibility (EMC) standards
Product certification markings
Safety Standards
Desktop Board D945GCLF complies with the safety standards stated in Table 36 when
correctly installed in a compatible host system.
Table 36. Safety Standards
Standard
Title
CSA/UL 60950-1, First Edition
Information Technology Equipment – Safety - Part 1: General
Requirements (USA and Canada)
EN 60950-1:2006, Second
Edition
Information Technology Equipment – Safety - Part 1: General
Requirements (European Union)
IEC 60950-1:2005, Second
Edition
Information Technology Equipment – Safety - Part 1: General
Requirements (International)
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Intel Desktop Board D945GCLF Technical Product Specification
5.1.2
European Union Declaration of Conformity
Statement
We, Intel Corporation, declare under our sole responsibility that the product Intel®
Desktop Board D945GCLF is in conformity with all applicable essential requirements
necessary for CE marking, following the provisions of the European Council Directive
2004/108/EC (EMC Directive) and 2006/95/EC (Low Voltage Directive).
The product is properly CE marked demonstrating this conformity and is for
distribution within all member states of the EU with no restrictions.
This product follows the provisions of the European Directives 2004/108/EC and
2006/95/EC.
Čeština Tento výrobek odpovídá požadavkům evropských směrnic 2004/108/EC a
2006/95/EC.
Dansk Dette produkt er i overensstemmelse med det europæiske direktiv
2004/108/EC & 2006/95/EC.
Dutch Dit product is in navolging van de bepalingen van Europees Directief
2004/108/EC & 2006/95/EC.
Eesti Antud toode vastab Euroopa direktiivides 2004/108/EC ja 2006/95/EC
kehtestatud nõuetele.
Suomi Tämä tuote noudattaa EU-direktiivin 2004/108/EC & 2006/95/EC määräyksiä.
Français Ce produit est conforme aux exigences de la Directive Européenne
2004/108/EC & 2006/95/EC.
Deutsch Dieses Produkt entspricht den Bestimmungen der Europäischen Richtlinie
2004/108/EC & 2006/95/EC.
Ελληνικά Το παρόν προϊόν ακολουθεί τις διατάξεις των Ευρωπαϊκών Οδηγιών
2004/108/EC και 2006/95/EC.
Magyar E termék megfelel a 2004/108/EC és 2006/95/EC Európai Irányelv
előírásainak.
Icelandic Þessi vara stenst reglugerð Evrópska Efnahags Bandalagsins númer
2004/108/EC & 2006/95/EC.
Italiano Questo prodotto è conforme alla Direttiva Europea 2004/108/EC &
2006/95/EC.
Latviešu Šis produkts atbilst Eiropas Direktīvu 2004/108/EC un 2006/95/EC
noteikumiem.
Lietuvių Šis produktas atitinka Europos direktyvų 2004/108/EC ir 2006/95/EC
nuostatas.
Malti Dan il-prodott hu konformi mal-provvedimenti tad-Direttivi Ewropej
2004/108/EC u 2006/95/EC.
Norsk Dette produktet er i henhold til bestemmelsene i det europeiske direktivet
2004/108/EC & 2006/95/EC.
Polski Niniejszy produkt jest zgodny z postanowieniami Dyrektyw Unii Europejskiej
2004/108/EC i 73/23/EWG.
Portuguese Este produto cumpre com as normas da Diretiva Européia 2004/108/EC
& 2006/95/EC.
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Regulatory Compliance and Battery Disposal Information
Español Este producto cumple con las normas del Directivo Europeo 2004/108/EC &
2006/95/EC.
Slovensky Tento produkt je v súlade s ustanoveniami európskych direktív
2004/108/EC a 2006/95/EC.
Slovenščina Izdelek je skladen z določbami evropskih direktiv 2004/108/EC in
2006/95/EC.
Svenska Denna produkt har tillverkats i enlighet med EG-direktiv 2004/108/EC &
2006/95/EC.
Türkçe Bu ürün, Avrupa Birliği’nin 2004/108/EC ve 2006/95/EC yönergelerine uyar.
5.1.3
Product Ecology Statements
The following information is provided to address worldwide product ecology concerns
and regulations.
5.1.3.1
Disposal Considerations
This product contains the following materials that may be regulated upon disposal:
lead solder on the printed wiring board assembly.
5.1.3.2
Recycling Considerations
As part of its commitment to environmental responsibility, Intel has implemented the
Intel Product Recycling Program to allow retail consumers of Intel’s branded products
to return used products to selected locations for proper recycling.
Please consult the http://www.intel.com/intel/other/ehs/product_ecology for the
details of this program, including the scope of covered products, available locations,
shipping instructions, terms and conditions, etc.
中文
作为其对环境责任之承诺的部分，英特尔已实施 Intel Product Recycling Program
（英特尔产品回收计划），以允许英特尔品牌产品的零售消费者将使用过的产品退还至指定地点作
恰当的重复使用处理。
请参考http://www.intel.com/intel/other/ehs/product_ecology
了解此计划的详情，包括涉及产品之范围、回收地点、运送指导、条款和条件等。
Deutsch
Als Teil von Intels Engagement für den Umweltschutz hat das Unternehmen das Intel
Produkt-Recyclingprogramm implementiert, das Einzelhandelskunden von Intel
Markenprodukten ermöglicht, gebrauchte Produkte an ausgewählte Standorte für
ordnungsgemäßes Recycling zurückzugeben.
Details zu diesem Programm, einschließlich der darin eingeschlossenen Produkte,
verfügbaren Standorte, Versandanweisungen, Bedingungen usw., finden Sie auf der
http://www.intel.com/intel/other/ehs/product_ecology
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Intel Desktop Board D945GCLF Technical Product Specification
Español
Como parte de su compromiso de responsabilidad medioambiental, Intel ha
implantado el programa de reciclaje de productos Intel, que permite que los
consumidores al detalle de los productos Intel devuelvan los productos usados en los
lugares seleccionados para su correspondiente reciclado.
Consulte la http://www.intel.com/intel/other/ehs/product_ecology para ver los detalles
del programa, que incluye los productos que abarca, los lugares disponibles,
instrucciones de envío, términos y condiciones, etc.
Français
Dans le cadre de son engagement pour la protection de l'environnement, Intel a mis
en œuvre le programme Intel Product Recycling Program (Programme de recyclage
des produits Intel) pour permettre aux consommateurs de produits Intel de recycler
les produits usés en les retournant à des adresses spécifiées.
Visitez la page Web http://www.intel.com/intel/other/ehs/product_ecology pour en
savoir plus sur ce programme, à savoir les produits concernés, les adresses
disponibles, les instructions d'expédition, les conditions générales, etc.
日本語
インテルでは、環境保護活動の一環として、使い終えたインテル
ブランド製品を指定の場所へ返送していただき、リサイクルを適切に行えるよう、インテル製品リサイクル
プログラムを発足させました。
対象製品、返送先、返送方法、ご利用規約など、このプログラムの詳細情報は、http://www.intel.com/in
tel/other/ehs/product_ecology （英語）をご覧ください。
Malay
Sebagai sebahagian daripada komitmennya terhadap tanggungjawab persekitaran,
Intel telah melaksanakan Program Kitar Semula Produk untuk membenarkan
pengguna-pengguna runcit produk jenama Intel memulangkan produk terguna ke
lokasi-lokasi terpilih untuk dikitarkan semula dengan betul.
Sila rujuk http://www.intel.com/intel/other/ehs/product_ecology untuk mendapatkan
butir-butir program ini, termasuklah skop produk yang dirangkumi, lokasi-lokasi
tersedia, arahan penghantaran, terma & syarat, dsb.
Portuguese
Como parte deste compromisso com o respeito ao ambiente, a Intel implementou o
Programa de Reciclagem de Produtos para que os consumidores finais possam enviar
produtos Intel usados para locais selecionados, onde esses produtos são reciclados de
maneira adequada.
Consulte o site http://www.intel.com/intel/other/ehs/product_ecology (em Inglês)
para obter os detalhes sobre este programa, inclusive o escopo dos produtos cobertos,
os locais disponíveis, as instruções de envio, os termos e condições, etc.
76
Regulatory Compliance and Battery Disposal Information
Russian
В качестве части своих обязательств к окружающей среде, в Intel создана
программа утилизации продукции Intel (Product Recycling Program) для
предоставления конечным пользователям марок продукции Intel возможности
возврата используемой продукции в специализированные пункты для должной
утилизации.
Пожалуйста, обратитесь на веб-сайт
http://www.intel.com/intel/other/ehs/product_ecology за информацией об этой
программе, принимаемых продуктах, местах приема, инструкциях об отправке,
положениях и условиях и т.д.
Türkçe
Intel, çevre sorumluluğuna bağımlılığının bir parçası olarak, perakende tüketicilerin
Intel markalı kullanılmış ürünlerini belirlenmiş merkezlere iade edip uygun şekilde geri
dönüştürmesini amaçlayan Intel Ürünleri Geri Dönüşüm Programı’nı uygulamaya
koymuştur.
Bu programın ürün kapsamı, ürün iade merkezleri, nakliye talimatları, kayıtlar ve
şartlar v.s dahil bütün ayrıntılarını ögrenmek için lütfen
http://www.intel.com/intel/other/ehs/product_ecology
Web sayfasına gidin.
5.1.3.3
Lead Free Desktop Board
This Desktop Board is a European Union Restriction of Hazardous Substances (EU
RoHS Directive 2002/95/EC) compliant product. EU RoHS restricts the use of six
materials. One of the six restricted materials is lead.
This Desktop Board is lead free although certain discrete components used on the
board contain a small amount of lead which is necessary for component performance
and/or reliability. This Desktop Board is referred to as “Lead-free second level
interconnect.” The board substrate and the solder connections from the board to the
components (second-level connections) are all lead free.
China bans the same substances and has the same limits as EU RoHS; however it
requires different product marking and controlled substance information. The required
mark shows the Environmental Friendly Usage Period (EFUP). The EFUP is defined as
the number of years for which controlled listed substances will not leak or chemically
deteriorate while in the product.
Table 37 shows the various forms of the “Lead-Free 2nd Level Interconnect” mark as it
appears on the board and accompanying collateral.
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Intel Desktop Board D945GCLF Technical Product Specification
Table 37. Lead-Free Board Markings
Description
Mark
nd
Lead-Free 2 Level Interconnect:
This symbol is used to identify
electrical and electronic
assemblies and components in
which the lead (Pb) concentration
level in the desktop board
substrate and the solder
connections from the board to the
components (second-level
interconnect) is not greater than
0.1% by weight (1000 ppm).
or
or
78
Regulatory Compliance and Battery Disposal Information
5.1.4
EMC Regulations
Desktop Board D945GCLF complies with the EMC regulations stated in Table 38 when
correctly installed in a compatible host system.
Table 38. EMC Regulations
Regulation
Title
FCC 47 CFR Part 15,
Subpart B
Title 47 of the Code of Federal Regulations, Part15, Subpart B, Radio
Frequency Devices. (USA)
ICES-003 Issue 4
(Class B)
Interference-Causing Equipment Standard, Digital Apparatus. (Canada)
EN55022:2006
(Class B)
Limits and methods of measurement of Radio Interference Characteristics
of Information Technology Equipment. (European Union)
EN55024:1998
(Class B)
Information Technology Equipment – Immunity Characteristics Limits and
methods of measurement. (European Union)
EN55022:2006
(Class B)
Australian Communications Authority, Standard for Electromagnetic
Compatibility. (Australia and New Zealand)
CISPR 22:2005
+A1:2005 +A2:2006
(Class B)
Limits and methods of measurement of Radio Disturbance Characteristics of
Information Technology Equipment. (International)
CISPR 24:1997
+A1:2001 +A2:2002
(Class B)
Information Technology Equipment – Immunity Characteristics – Limits and
Methods of Measurement. (International)
VCCI V-3/2007.04,
V-4/2007.04, Class B
Voluntary Control for Interference by Information Technology Equipment.
(Japan)
Japanese Kanji statement translation: this is a Class B product based on the standard
of the Voluntary Control Council for Interference from Information Technology
Equipment (VCCI). If this is used near a radio or television receiver in a domestic
environment, it may cause radio interference. Install and use the equipment
according to the instruction manual.
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Intel Desktop Board D945GCLF Technical Product Specification
Korean Class B statement translation: this is household equipment that is certified to
comply with EMC requirements. You may use this equipment in residential
environments and other non-residential environments.
5.1.5
Product Certification Markings (Board Level)
Desktop Board D945GCLF has the product certification markings shown in Table 39:
Table 39. Product Certification Markings
Description
Mark
UL joint US/Canada Recognized Component mark. Includes adjacent UL file
number for Intel desktop boards: E210882.
FCC Declaration of Conformity logo mark for Class B equipment. Includes
Intel name and D945GCLF model designation.
CE mark. Declaring compliance to European Union (EU) EMC directive and
Low Voltage directive.
Australian Communications Authority (ACA) and New Zealand Radio Spectrum
Management (NZ RSM) C-tick mark. Includes adjacent Intel supplier code
number, N-232.
Japan VCCI (Voluntary Control Council for Interference) mark.
S. Korea MIC (Ministry of Information and Communication) mark. Includes
adjacent MIC certification number: CPU- D945GCLF (B)
Taiwan BSMI (Bureau of Standards, Metrology and Inspections) mark.
Includes adjacent Intel company number, D33025.
Printed wiring board manufacturer’s recognition mark. Consists of a unique
UL recognized manufacturer’s logo, along with a flammability rating (solder
side).
China RoHS/Environmentally Friendly Use Period Logo: This is an example of
the symbol used on Intel Desktop Boards and associated collateral. The color
of the mark may vary depending upon the application. The Environmental
Friendly Usage Period (EFUP) for Intel Desktop Boards has been determined
to be 10 years.
80
V-0
Regulatory Compliance and Battery Disposal Information
5.2
Battery Disposal Information
CAUTION
Risk of explosion if the battery is replaced with an incorrect type. Batteries should be
recycled where possible. Disposal of used batteries must be in accordance with local
environmental regulations.
PRECAUTION
Risque d'explosion si la pile usagée est remplacée par une pile de type incorrect. Les
piles usagées doivent être recyclées dans la mesure du possible. La mise au rebut des
piles usagées doit respecter les réglementations locales en vigueur en matière de
protection de l'environnement.
FORHOLDSREGEL
Eksplosionsfare, hvis batteriet erstattes med et batteri af en forkert type. Batterier
bør om muligt genbruges. Bortskaffelse af brugte batterier bør foregå i
overensstemmelse med gældende miljølovgivning.
OBS!
Det kan oppstå eksplosjonsfare hvis batteriet skiftes ut med feil type. Brukte batterier
bør kastes i henhold til gjeldende miljølovgivning.
VIKTIGT!
Risk för explosion om batteriet ersätts med felaktig batterityp. Batterier ska kasseras
enligt de lokala miljövårdsbestämmelserna.
VARO
Räjähdysvaara, jos pariston tyyppi on väärä. Paristot on kierrätettävä, jos se on
mahdollista. Käytetyt paristot on hävitettävä paikallisten ympäristömääräysten
mukaisesti.
VORSICHT
Bei falschem Einsetzen einer neuen Batterie besteht Explosionsgefahr. Die Batterie
darf nur durch denselben oder einen entsprechenden, vom Hersteller empfohlenen
Batterietyp ersetzt werden. Entsorgen Sie verbrauchte Batterien den Anweisungen
des Herstellers entsprechend.
AVVERTIMENTO
Esiste il pericolo di un esplosione se la pila non viene sostituita in modo corretto.
Utilizzare solo pile uguali o di tipo equivalente a quelle consigliate dal produttore. Per
disfarsi delle pile usate, seguire le istruzioni del produttore.
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Intel Desktop Board D945GCLF Technical Product Specification
PRECAUCIÓN
Existe peligro de explosión si la pila no se cambia de forma adecuada. Utilice
solamente pilas iguales o del mismo tipo que las recomendadas por el fabricante del
equipo. Para deshacerse de las pilas usadas, siga igualmente las instrucciones del
fabricante.
WAARSCHUWING
Er bestaat ontploffingsgevaar als de batterij wordt vervangen door een onjuist type
batterij. Batterijen moeten zoveel mogelijk worden gerecycled. Houd u bij het
weggooien van gebruikte batterijen aan de plaatselijke milieuwetgeving.
ATENÇÃO
Haverá risco de explosão se a bateria for substituída por um tipo de bateria incorreto.
As baterias devem ser recicladas nos locais apropriados. A eliminação de baterias
usadas deve ser feita de acordo com as regulamentações ambientais da região.
AŚCIAROŽZNAŚĆ
Існуе рызыка выбуху, калі заменены акумулятар неправільнага тыпу.
Акумулятары павінны, па магчымасці, перепрацоўвацца. Пазбаўляцца ад старых
акумулятараў патрэбна згодна з мясцовым заканадаўствам па экалогіі.
UPOZORNÌNÍ
V případě výměny baterie za nesprávný druh může dojít k výbuchu. Je-li to možné,
baterie by měly být recyklovány. Baterie je třeba zlikvidovat v souladu s místními
předpisy o životním prostředí.
Προσοχή
Υπάρχει κίνδυνος για έκρηξη σε περίπτωση που η μπαταρία αντικατασταθεί από μία
λανθασμένου τύπου. Οι μπαταρίες θα πρέπει να ανακυκλώνονται όταν κάτι τέτοιο είναι
δυνατό. Η απόρριψη των χρησιμοποιημένων μπαταριών πρέπει να γίνεται σύμφωνα με
τους κατά τόπο περιβαλλοντικούς κανονισμούς.
VIGYAZAT
Ha a telepet nem a megfelelő típusú telepre cseréli, az felrobbanhat. A telepeket
lehetőség szerint újra kell hasznosítani. A használt telepeket a helyi környezetvédelmi
előírásoknak megfelelően kell kiselejtezni.
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Regulatory Compliance and Battery Disposal Information
AWAS
Risiko letupan wujud jika bateri digantikan dengan jenis yang tidak betul. Bateri
sepatutnya dikitar semula jika boleh. Pelupusan bateri terpakai mestilah mematuhi
peraturan alam sekitar tempatan.
OSTRZEŻENIE
Istnieje niebezpieczeństwo wybuchu w przypadku zastosowania niewłaściwego typu
baterii. Zużyte baterie należy w miarę możliwości utylizować zgodnie z odpowiednimi
przepisami ochrony środowiska.
PRECAUŢIE
Risc de explozie, dacă bateria este înlocuită cu un tip de baterie necorespunzător.
Bateriile trebuie reciclate, dacă este posibil. Depozitarea bateriilor uzate trebuie să
respecte reglementările locale privind protecţia mediului.
ВНИМАНИЕ
При использовании батареи несоответствующего типа существует риск ее взрыва.
Батареи должны быть утилизированы по возможности. Утилизация батарей
должна проводится по правилам, соответствующим местным требованиям.
UPOZORNENIE
Ak batériu vymeníte za nesprávny typ, hrozí nebezpečenstvo jej výbuchu.
Batérie by sa mali podľa možnosti vždy recyklovať. Likvidácia použitých batérií sa musí
vykonávať v súlade s miestnymi predpismi na ochranu životného prostredia.
POZOR
Zamenjava baterije z baterijo drugačnega tipa lahko povzroči eksplozijo.
Če je mogoče, baterije reciklirajte. Rabljene baterije zavrzite v skladu z lokalnimi
okoljevarstvenimi predpisi.
.
UYARI
Yanlış türde pil takıldığında patlama riski vardır. Piller mümkün olduğunda geri
dönüştürülmelidir. Kullanılmış piller, yerel çevre yasalarına uygun olarak atılmalıdır.
OСТОРОГА
Використовуйте батареї правильного типу, інакше існуватиме ризик вибуху.
Якщо можливо, використані батареї слід утилізувати. Утилізація використаних
батарей має бути виконана згідно місцевих норм, що регулюють охорону довкілля.
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Intel Desktop Board D945GCLF Technical Product Specification
84