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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

Symbol

Start

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