Datasheet

Intel

82845G/82845GL/82845GV GMCH Datasheet 49

90–96h PAM[0:6] Programmable Attribute Map 00h RO, R/W

97h FDHC Fixed SDRAM Hole Control 00h RO, R/W

98–9Ch — Intel Reserved — —

9D SMRAM System Management RAM Control 02h RO, R/W, L

9E ESMRAMC Extended System Management RAM Control 38h

RO, R/W,

RWC, L

9Fh — Intel Reserved — —

A0–A3h ACAPID AGP Capability Identifier 0020 0002h RO

A4–A7h AGPSTAT AGP Status 1F00 0217h RO

A8–ABh AGPCMD AGP Command 0000 0000h RO, R/W

AC–AFh — Intel Reserved — —

B0–B3h AGPCTRL AGP Control 0000 0000h RO, R/W

B4h APSIZE Aperture Size 00h RO, R/W

B5–B7h — Intel Reserved — —

B8–BBh ATTBASE Aperture Translation Table 00000000h RO, R/W

BCh AMTT AGP MTT Control R 10h RO, R/W

BDh LPTT AGP Low Priority Transaction Timer 10h RO, R/W

BE–C5h — Intel Reserved — —

C6–C7h GMCHCFG GMCH Configuration 0C01h

RWO, RO,

R/W

C8–C9h ERRSTS Error Status 0000h R/WC

CA–CBh ERRCMD Error Command 0000h RO, R/W

CC–CDh SMICMD SMI Command 0000h RO, R/W

CE–CFh SCICMD SCI Command 0000h RO, R/W

D0–DDh — Intel Reserved — —

DE–DFh SKPD Scratchpad Data 0000h R/W

E0–E3h — Intel Reserved — —

E4–E8h CAPREG Capability Identification 0x_x105_A009h RO

E9–FFh — Intel Reserved — —

Table 3-1. DRAM Controller/Host-Hub Register Address Map (Device 0) (Sheet 2 of 2)

Address

Offset

Symbol Register Name Default Value Access