AMD-761 Datasheet, PDF (51/264 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
Base Address 1: GART Memory-Mapped Register Base
31
30
29
28
27
Bit
Base_Addr_High
Reset
0
0
0
0
0
R/W
R/W
23
22
21
20
19
Bit
Base_Addr_High
Reset
0
0
0
0
0
R/W
R/W
15
14
13
12
11
Bit
Base_Addr_High
Reset
0
0
0
0
0
R/W
R/W
7
Bit
Reset
0
R/W
6
5
Base_Addr_Low
0
0
4
3
Prefetchable
0
1
R
Dev0:F0:0x14
26
25
24
0
0
0
18
17
16
0
0
0
10
9
Base_Addr_Low
0
0
R
2
1
Type
0
0
8
0
0
Memory
0
Register Description
This register provides the base address for the GART memory-mapped configuration register space (see “Memory-
Mapped Register Map” on page 140 for details).
Chapter 2
AMD-761™ System Controller Programmer’s Interface
39