AMD-761 Datasheet, PDF (126/264 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
DDR MAB/MAA Pad Configuration
31
30
29
Bit
Reserved
Reset
0
0
X
R/W
R
28
PSlewMAB
X
23
22
21
20
Bit
Reserved
Reset
0
0
0
0
R/W
R
15
14
Bit
Reserved
Reset
0
0
R/W
R
13
12
PSlewMAA
X
X
7
6
5
4
Bit
Reserved
Reset
0
0
0
0
R/W
R
27
26
X
X
R/W
Dev0:F1:0x98
25
24
NSlewMAB
X
X
19
18
17
16
PDrvMAB
NDrvMAB
X
X
X
X
R/W
11
10
9
8
NSlewMAA
X
X
X
X
R/W
3
2
1
0
PDrvMAA
NDrvMAA
X
X
X
X
R/W
Register Description
This register allows BIOS control of the DDR MAA and MAB address bus pad drive strength and slew rate.
114
AMD-761™ System Controller Programmer’s Interface
Chapter 2