AMD-761 Datasheet, PDF (86/264 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
Config Status
31
30
29
Bit
AGP_Clk_Mux
Reset
x (from PCI AD[14:12])
R/W
28
27
26
Sys_Clk_Mux
x (from PCI AD[7:5])
R
Dev0:F0:0x88
25
24
Type_Det S2K_Thresh
x (from PCI x (from PCI
AD[20])
AD[4])
23
22
Bit K7_PP_En IG_PP_En
Reset
x (from PCI x (from PCI
C/BE[3]#) C/BE[2]#)
R/W
21
20
Clk_Speed
19
18
Reserved
x (from PCI AD[31:30]) x (from PCI AD[27:26])
R
17
16
S2K0_Bus_Len
x (from PCI AD[11:10])
15
14
13
12
11
10
9
8
Bit Tristate_En NAND_En Bypass_PLLs Dis_Divider
Reserved
Reset
x (from PCI x (from PCI x (from PCI x (from PCI
AD[25])
AD[23])
AD[9])
AD[29])
R/W
R
x (from PCI AD[19:16])
7
6
5
4
3
2
1
0
Bit SIP_ROM_En GP_Strap In_Clk_En Out_Clk_En
CPU0_Divider
Reset
x(from PCI x (from PCI x (from PCI x (from PCI
C/BE[0]#) AD[15])
AD[24])
AD[8])
R/W
R
x (from PCI AD[3:0])
Register Description
This register allows BIOS software to determine what system initialization states have been programmed by resistor
pinstrappings on the motherboard.
74
AMD-761™ System Controller Programmer’s Interface
Chapter 2