82845G Datasheet, PDF (77/193 Pages) Intel Corporation – Intel 82845G/82845GL/82845GV Graphics and Memory Controller Hub (GMCH)

Register Description
3.5.1.38
CAPREG—Capability Identification Register (Device 0)
Address Offset:
Default:
Access:
Size
E4h–E8h
0x_x105_A009h
RO
40 bits
Bit
39:28
27:24
23:16
15:8
7:0
Description
Part Identifier.
0E1h = 82845GL
0B1h = 82845GV
000h = 82845G with Revision ID of 01h
030h = 82845G with Revision ID of 03h
CAPREG Version. This field has the value 0001b to identify the first revision of the CAPREG
definition.
Cap_length. This field has the value 05h indicating the structure length.
Next_Pointer. This field has the value A0h pointing to the next capabilities register, AGP Capability
Identifier Register (ACAPID). If AGP is disabled (IGDIS = 0), since this is the last pointer in the
device, it is set to 00h signifying the end of the capabilities linked list.
CAP_ID. This field has the value 09h to identify the CAP_ID assigned by the PCI SIG for Vendor
Dependent CAP_PTR.
Intel^® 82845G/82845GL/82845GV GMCH Datasheet
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