845GL datasheet(183/193 Pages) INTEL

183 / 193 page

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

183

Intel® 82845GL/82845GV GMCH

9.4

Intel® 82845G and Intel® 82845GL/82845GV Register

Differences

Chapter 3 describes the registers for the 82845G GMCH. This section describes the changes to

Chapter 3 for the 82845GL/82845GV GMCH. The differences are in the Device 0 and Device 1

9.4.1

DRAM Controller/Host-Hub Interface Device Registers

(Device 0)

9.4.1.1

Device 0 Registers Not in 82845GL/82845GV

The following registers are not in the 82845GL82845GV and the address locations are Intel

Reserved.

APBASE

— Aperture Base Configuration Register (Device 0)

Address Offset:

10–13h

Size:

32 bits

AGPM

— AGP Miscellaneous Configuration Register (Device 0)

Address Offset

51h

Size:

8 bits

ACAPID

— AGP Capability Identifier Register (Device 0)

Address Offset

A0–A3h

Size:

32 bits

AGPSTAT

— AGP Status Register (Device 0)

Address Offset

A4–A7h

Size:

32 bits

AGPCMD

— AGP Command Register (Device 0)

Address Offset

A8–ABh

Size:

32 bits

AGPCTRL

— AGP Control Register (Device 0)

Address Offset

B0–B3h

Size:

32 bits

APSIZE

— Aperture Size Register (Device 0)

Address Offset

B4h

Size:

8 bits

845GL Datasheet(PDF) 183 Page - Intel Corporation

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