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Register Description
R
Address | Register | Register Name | Default | Access |
Offset | Symbol |
| Value |
|
|
|
|
|
|
— | Reserved. | — | — | |
|
|
|
|
|
EAP | Error Address Pointer | 00000000h | RO | |
|
|
|
|
|
PAM[0:6] | Programmable Attribute Map (7 Registers) | 0000000000 | RO, R/W | |
|
|
| 0000h |
|
|
|
|
|
|
97h | FDHC | Fixed DRAM Hole Control | 00h | R/W |
|
|
|
|
|
— | Reserved. | — | — | |
|
|
|
|
|
9Dh | SMRAM | System Management RAM Control | 02h | RO, R/W, |
|
|
|
| R/W/L |
|
|
|
|
|
9Eh | ESMRAMC | Extended System Mgmt RAM Control | 38h | RO, R/W, |
|
|
|
| R/WC, |
|
|
|
| R/W/L |
|
|
|
|
|
9Fh | — | Reserved. | — | — |
|
|
|
|
|
ACAPID | AGP Capability Identifier | 00200002h | RO | |
|
|
|
|
|
AGPSTAT | AGP Status | 1F000216h | RO | |
|
|
|
|
|
AGPCMD | AGP Command | 00000000h | R/W | |
|
|
|
|
|
— | Reserved. | — | — | |
|
|
|
|
|
AGPCTRL | AGP Control | 00000000h | R/W | |
|
|
|
|
|
B4h | APSIZE | Aperture Size | 00h | R/W |
|
|
|
|
|
— | Reserved | — | — | |
|
|
|
|
|
ATTBASE | Aperture Translation Table Base | 00000000h | R/W | |
|
|
|
|
|
BCh | AMTT | AGP MTT Control | 00h | R/W |
|
|
|
|
|
BDh | LPTT | AGP Low Priority Transaction Timer | 00h | R/W |
|
|
|
|
|
| Reserved |
|
| |
|
|
|
|
|
TOM | Top of Low Memory | 0000h | R/W | |
|
|
|
|
|
MCHCFG | MCH Configuration | 0000h | R/W, RO | |
|
|
|
|
|
ERRSTS | Error Status | 0000h | R/WC | |
|
|
|
|
|
ERRCMD | Error Command | 0000h | R/W | |
|
|
|
|
|
SMICMD | SMI Command | 0000h | R/W | |
|
|
|
|
|
SCICMD | SCI Command | 0000h | R/W | |
|
|
|
|
|
— | Reserved. | — | — | |
|
|
|
|
|
SKPD | Scratchpad Data | 0000h | R/W | |
|
|
|
|
|
— | Reserved. | — | — | |
|
|
|
|
|
CAPID | Product Specific Capability Identifier | F104A009h | RO | |
|
|
|
|
|
— | Reserved. | — | — | |
|
|
|
|
|
44 | Intel® 82845 MCH for SDR Datasheet |