AMD-761 Datasheet, PDF (132/264 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
AGP/PCI Command and Status
Dev1:0x04
31
30
29
28
27
26
25
Bit
PERR_Rcv
SERR_Rcv
Mas_ABRT
Trgt_ABRT
Trgt_ABRTS
_Signaled
DEVSEL_Timing
Reset
0
0
0
0
0
0
1
R/W
R
R/W1C
R
24
Data_PERR
0
23
22
21
20
19
18
17
16
Bit Fast_B2B
UDF
66M
Cap_Lst
Reserved
Reset
0
0
1
0
0
0
0
0
R/W
R
15
14
13
12
11
10
9
8
Bit
Reserved
FBACK
SERR
Reset
0
0
0
0
0
0
0
0
R/W
R
R/W
7
6
5
4
3
2
1
0
Bit
STEP
PERR
VGA
MWINV
SCYC
MSTR
MEM
I/O
Reset
0
0
0
0
0
0
0
0
R/W
R
R/W
Register Description
The AGP/PCI Command and Status register provides coarse control over the PCI-PCI bridge function within the
AMD-761™ system controller. This register controls the ability to generate and respond to PCI cycles on both the AGP bus
and the PCI bus.
120
AMD-761™ System Controller Programmer’s Interface
Chapter 2