AMD-761 Datasheet, PDF (80/264 Pages) Advanced Micro Devices – AMD-761-TM System Controller Software/BIOS Design Guide

Preliminary Information
AMD-761™ System Controller Software/BIOS Design Guide
24081D—February 2002
Who Am I (WHAMI)
Dev0:F0:0x80
31
30
29
28
27
26
25
24
Bit
Reserved
Reset
0
0
0
0
0
0
0
0
R/W
R
23
Bit
Reset
0
R/W
22
21
20
Reserved
0
0
0
R
19
Reserved
0
18
Reserved
0
17
Reserved
0
16
BIU0_Present
From CPU
15
14
13
12
11
10
9
8
Bit
FirstBusID
Reset
0
0
0
0
0
0
0
0
R/W
R
7
6
5
4
3
2
1
0
Bit
WHAMI
Reset
CPUID
R/W
R
Register Description
68
AMD-761™ System Controller Programmer’s Interface
Chapter 2