ATX6021/5 User`s Manual

ATX6021/5 User’s Manual
5 PCI System Backplane
I.
Board Dimensions
12.0
132.0
40.0
37.0
25.0
12.0
6.0
6.17
31.26
9.0
34.59
P1
P2
P3
P4
SMI+
SMI-
1
1
1
CN7
CN6
2
KCLK 1
KDTA
CN5
CN10
JP4
JP1
1
1
KGND
KVCC
1
CN9
9.0
CN8
1
GND
GND
5VSB
VCC3
-5V
+5V
-12V
+12V
SMI+
SMIPI
GND
PO
5VSB
JP3
2
PSON
GND
1
JP2
CN4
125.74
CN2
SYS
20.32
1
ATX6021/5 User’s Manual
5 PCI System Backplane
II. Jumper Settings & Connectors
Embedded Control Logic Settings
Jumper
JP2
Description
Open: System power ON/OFF via JP1
Short: System power ON/OFF via power supply switch
JP1
Short 1-2: System power ON/OFF either by front panel power button CN8
or via ACPI compliant Microsoft Windows software
Short 2-3: System power ON/OFF via front panel power button CN8
CN8
Power ON/OFF push button connector to front panel
CN7
6-pin cable to CPU card; used for Microsoft Windows Soft-power ON/OFF
(ACPI compliant)
CN6
External SMI connector to front panel
III. Pin Assignments
20-pin ATX Power Connectors: CN4
2
Brown
3.3V
11
1
3.3V
Brown
Blue
-12V
12
2
3.3V
Brown
Black
Grey
GND
PS-ON
13
14
3
4
GND
5V
Black
Red
Black
Black
GND
GND
15
16
5
6
GND
5V
Black
Red
Black
White
Red
Red
GND
-5V
5V
5V
17
18
19
20
7
8
9
10
GND
PW-OK
5VSB
12V
Black
Orange
Purple
Yellow
ATX6021/5 User’s Manual
5 PCI System Backplane
Standard PS/2 Power Connector: CN2
Pin
Signal
P8 & P9 Color
1
NC (P.G.)
Orange
2
+5V DC
Red
3
+12V DC
Yellow
4
-12V DC
Blue
5-8
GND
Black
9
-5V DC
White
10
+5V DC
Red
11-12
+5V DC
Red
External Power
Connector: CN9
1
GND
2
GND
3
5VSB
4
5
3.3V
-5V
6
7
+5V
-12V
8
+12V
Keyboard Connectors:
CN5 & CN10
1
KBCLK
2
KBDATA
3
4
No Connector
KBGND
5
KBVcc
3
ATX6021/5 User’s Manual
5 PCI System Backplane
IV.
3.3V Power Sources for PCI Slots
There are two alternative sources for the 3.3V power supply of
the four PCI slots. Power source may be generated from either
the ATX power supply or the CPU card. The following diagram
and table illustrate the jumper settings for each alternative.
CN4:
ATX Power Connector
System
CPU
Board
JP3
JP4
1
3
5
7
9
1
3
5
7
9
2
4
6
8
10
P
1
Options
11
12
13
14
15
16
17
18
19
20
2
4
6
8
10
P
2
P
3
1
2
3
4
5
6
7
8
9
10
P
4
Settings
3.3V Source
from System Slot
JP3: Short 1-2, 3-4, 5-6, 7-8, 9-10
JP4: All Open
3.3V Source
from ATX P/S (default)
JP3: All Open
JP4: Short 1-2, 3-4, 5-6, 7-8, 9-10
 Copyright 1999 by AXIOM Technology Co., Ltd.
All rights reserved.
November 1999, Version A1
Printed in Taiwan
Trademarks Acknowledgments
AXIOM is a trademark of AXIOM Technology Co., Ltd.
Other brand names and trademarks are the properties and
registered brands of their respective owners.
Specifications are subject to change without notice.
4