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AMD-761™ System Controller Programmer’s Interface
Chapter 2
AMD-761™ System Controller Software/BIOS Design Guide
24081D—February 2002
Preliminary Information
Reserved
0x68–0x6B
Reserved
0x6C–0x6F
Memory Status/Control
0x70–0x73
Reserved
0x74–0x77
Reserved
0x78–0x7B
Reserved
0x7C–0x7F
Reserved
Boot Proc
WHAMI
0x80–0x83
PCI Arbitration Control
0x84–0x87
Configuration Status
0x88–0x8B
Reserved
0x8C–0x8F
Reserved
0x90–0x93
Reserved
0x94–0x97
Reserved
0x98–0x9B
PCI Top of Memory
Reserved
0x9C–0x9F
AGP Capability Identifier
0xA0–0xA3
AGP Status
0xA4–0xA7
AGP Command
0xA8–0xAB
AGP Virtual Address Space Size
0xAC–0xAF
GART/AGP Mode Control
0xB0–0xB3
AGP 4X Dynamic Compensation
0xB4–0xB7
AGP Compensation Bypass
0xB8–0xBF
Memory Base Address 0
0xC0–0xC3
Memory Base Address 1
0xC4–0xC7
Table 6.
Device 0, Function 0 Configuration Register Map (Continued)
Host to PCI Bridge (Device 0, Function 0)
Offset
Reference