Intel D15343-003 User Manual
Page 49
Register Description
D15343-003
49
4.8
Intel 854 GMCH Host-Hub Interface Bridge Device Registers
(Device #0, Function #0)
Table 5 summarizes the configuration space for Device #0, Function#0.
Table 19.
GMCH Configuration Space - Device #0, Function#0
Register Name
Register
Symbol
Register
Start
Register
End
Default Value
Access
Vendor Identification
VID
00
01
8086h
RO
Device Identification
DID
02
03
358Ch
RO
PCI Command
PCICMD
04
05
0006h
RO,R/W
PCI Status
PCISTS
06
07
0090h
RO,R/WC
Revision Identification
RID
08
08
02h
RO
Sub-Class Code
SUBC
0A
0A
00h
RO
Base Class Code
BCC
0B
0B
06h
RO
Header Type
HDR
0E
0E
80h
RO
Subsystem Vendor
Identification
SVID
2C
2D
0000h
R/WO
Subsystem Identification
SID
2E
2F
0000h
R/WO
Capabilities Pointer
CAPPTR
34
34
40h
RO
Capability Identification
CAPID
40
44
84_A105_0009h
RO
GMCH Misc. Control
GMC
50
51
0000h
R/W
GMCH Graphics Control
GGC
52
53
0030h
R/W
Device and Function Control
DAFC
54
55
0000h
R/W
Fixed Dram Hole Control
FDHC
58
58
00h
R/W
Programmable Attribute Map
PAM (6:0)
59
5F
00h Each
R/W
System Management RAM
Control
SMRAM
60
60
02h
R/W/L
Extended System
Management RAM Control
ESMRAMC
61
61
38h
R/W/L
Error Status
ERRSTS
62
63
0000h
R/WC
Error Command
ERRCMD
64
65
0000h
R/W
SMI Command
SMICMD
66
66
00h
R/W
SCI Command
SCICMD
67
67
00h
R/W
Secondary Host Interface
Control Register
SHIC
74
77
00006010h
RO, R/W