Intel G31 EXPRESS CHIPSET, P31 EXPRESS CHIPSET User Manual

Intel® G31/P31 Express Chipset

Specification Update

— For the Intel® 82G31 Graphics and Memory Controller Hub

(GMCH) and Intel® 82GP31 Memory Controller Hub (MCH)

February 2008

®

Notice: The Intel
cause the product to deviate from published specifications. Current characterized errata are available on
request.

G31/P31 Express Chipset may contain design defects or errors known as errata which may

Order Number: 317496-003

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use in medical, life saving, life sustaining, critical control or safety systems, or in nuclear facility applications.

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Designers must not rely on the absence or characteristics of any features or instructions marked “reserved” or “un defined.” Intel reserves these for

future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them.
The Intel® G31/P31 Express Chipset may contain design defects or errors known as errata which may cause the product to deviate from published

specifications. Current characterized errata are available on request.
Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.
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Copyright © 2007-2008, Intel Corporation. All Rights Reserved.

2 Specification Update

Contents—3 Series Chipsets

Contents

Preface......................................................................................................................5

Summary Tables of Changes......................................................................................6

Identification Information.........................................................................................8

Errata........................................................................................................................9

Specification Changes..............................................................................................10

Specification Clarifications ......................................................................................11

Documentation Changes..........................................................................................12

Specification Update 3

Revision History

Revision Description Date

-001

-002

-003

• Initial Release

•Added Errata #2

• Added B0 stepping details

3 Series Chipsets—Revision History

July 2007

August 2007

February 2008

§ §

4 Specification Update