845GL datasheet(77/193 Pages) INTEL

Part #	845GL

Description	Intel 82845G/82845GL/82845GV Graphics and Memory Controller Hub (GMCH)

PDF	193 Pages

Scroll/Zoom	100%

Manufacturer	INTEL [Intel Corporation]

Direct Link	http://www.intel.com

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77 / 193 page

Intel® 82845G/82845GL/82845GV GMCH Datasheet

3.5.1.38

CAPREG—Capability Identification Register (Device 0)

Address Offset:

E4h–E8h

Default:

0x_x105_A009h

Access:

Size

40 bits

Bit

Description

39:28

Part Identifier.

0E1h = 82845GL

0B1h = 82845GV

000h = 82845G with Revision ID of 01h

030h = 82845G with Revision ID of 03h

27:24

CAPREG Version.

This field has the value 0001b to identify the first revision of the CAPREG

definition.

23:16

Cap_length.

This field has the value 05h indicating the structure length.

15:8

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.

7:0

CAP_ID.

This field has the value 09h to identify the CAP_ID assigned by the PCI SIG for Vendor

Dependent CAP_PTR.

845GL Datasheet(PDF) 77 Page - Intel Corporation