AMD Product Brief - Preliminary Information
AMD-8132TM HyperTransportTM PCI-X® 2.0 Tunnel
Product Overview
The AMD-8132TM HyperTransportTM PCI-X® 2.0 tunnel developed by AMD provides two PCI-X bridges
designed to support PCI-X 266 transfer rates1.. The AMD-8132 tunnel is compliant with HyperTransportTM
I/O Link Specification, Rev 2.0 including errata up to specification Rev 1.05c. The package is a 31 x 31
millimeter, 829 ball, flip-chip organic BGA. The core is 1.2 volts. Power dissipation is 8 watts.
HyperTransportTM Features:
PCI-X® Features:
• HyperTransport tunnel with side 0, 16-bit input/
16-bit output; and side 1, 16-bit input/16-bit
output.
• Two PCI-X bridges: bridge A and bridge B.
• Each bridge supports a 64-bit data bus.
• Each bridge supports Mode 1 PCI-X and
Conventional PCI protocol. Each bridge is
designed to support Mode 2 operation.
• In PCI-X Mode 2, bridges are designed to
support transfer rates of 266 and 200 MHz.
• In PCI-X Mode 1, bridges support transfer rates
of 133, 100, 66, and 50 MHz.
• In PCI mode, bridges support transfer rates of
66, 50, 33, and 25 MHz.
• Independent transfer rates and operational
modes for each bridge.
• Each bridge includes support for up to 5 PCI
masters with clock, request, and grant signals.
• Each bridge includes a HyperTransport™
technology compliant interrupt controller.
Legacy interrupt controller and IOAPIC modes
are also supported.
• Each bridge can receive PCI device interrupts
via INTA/B/C/D pins or via MSI/MSI-X
transactions.
• SHPC-compliant hot-plug controller and
support.
• Either side can connect to the host or to a
downstream HyperTransport technology
compliant device.
• Each side supports HyperTransport technologydefined reduced bit widths: 8-bit, 4-bit, and 2-bit.
• Each side supports transfer rates of 2000, 1600,
1200, 1000, 800, and 400 mega-bits per second
per wire.
• Maximum bandwidth is 8 gigabytes per second
across each side (half upstream and half
downstream).
• Independent transfer rate for each side and each
direction.
• Independent bit width selection for each side and
each direction.
• Link disconnect protocol supported.
• HyperTransport interrupt control support.
• 64-bit address support.
• PCI-X Mode 2, 1.5 V link signaling. PCI-X Mode 1,
3.3 V link signaling. PCI, 3.3 V link signaling.
TM
TM
Host
HyperTransport
Link
AMD-8132
Side 0
Tunnel
Side 1
TM
HyperTransport
Link
Tunnel
16 bits Upstream
16 bits Downstream
16 bits Upstream
16 bits Downstream
®
Slots
PCI-X
Bridge A
Downstream
Device
®
PCI-X
Bridge B
Slots
AMD-8132™ HyperTransport™ PCI-X® 2.0 Tunnel
PID: 30365 Rev 3.01
© 2002, 2003, 2004, 2005 Advanced Micro Devices, Inc.
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changes to specifications and product descriptions at any time without
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time without notice.
Licensed Technology
PCI-X and PCI Hot Plug technology developed by Compaq/Hewlett Packard Corporation.
Trademarks
AMD, the AMD Arrow logo, and combinations thereof, and AMD-8132 are trademarks of
Advanced Micro Devices, Inc.
HyperTransport is a licensed trademark of the HyperTransport Technology Consortium.
PCI-X is a registered trademark of the PCI-SIG Corporation.
Other product names used in this publication are for identification purposes only and may be trademarks of
their respective companies.
PID: 30365 Rev 3.01