AMD-761 Datasheet, PDF (131/264 Pages) Advanced Micro Devices – AMD-761-TM System Controller Software/BIOS Design Guide

24081D—February 2002
Preliminary Information
AMD-761™ System Controller Software/BIOS Design Guide
Bit Definitions
Bit Name
31–16 Dev_ID
15–0
Vend_ID
Programming Notes
AGP/PCI ID (Dev1:0x00)
Function
Device Identifier
This 16-bit register is assigned by the device manufacturer and identifies the type of
device. The current Northbridge device ID assignments are:
AMD-761™ system controller — AMD Athlon™ processor, 1P DDR 133 MHz
0x700E host to PCI bridge
0x700F PCI-to-PCI bridge (4X AGP)
AMD-762™ system controller — AMD Athlon processor, 2P DDR 133 MHz
0x700C host to PCI bridge
0x700D PCI-to-PCI bridge (4X AGP)
AMD-751™ system controller — AMD Athlon processor, 1P SDRAM-100
0x7006 host to PCI bridge
0x7007 PCI-to-PCI bridge (1X/2X AGP)
Vendor Identifier
This 16-bit register identifies the manufacturer of the device.
Chapter 2
AMD-761™ System Controller Programmer’s Interface
119