Intel VC820 User Manual
Desktop Board
VC820
Specification Update
Release Date: May 2001
Order Number: 738244-009
The Intel Desktop Board VC820 may contain design defects or errors known as errata which
may cause the product to deviate from published specifications. Current characterized errata are
documented in this Specification Update.
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any license, express or implied, by estoppel or otherwise, to any such patents, trademarks, copyrights, or other intellectual
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Intel retains the right to make changes to specifications and product descriptions at any time, without notice.
The VC820 desktop board may contain design defects or errors known as errata whic h 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 before placing your product order.
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Copyright 2001, Intel Corporation. All rights reserved.
CONTENTS
REVISION HISTORY...................................................................................................................................v
PREFACE...................................................................................................................................................vi
Specification Update for Intel Desktop Boards VC820
GENERAL INFORMATION ..........................................................................................................................3
SPECIFICATION CHANGES .......................................................................................................................5
ERRATA.......................................................................................................................................................9
DOCUMENTATION CHANGES .................................................................................................................10
VC820 SPECIFICATION UPDATE
REVISION HISTORY
Date of Revision Version Description
November 1999 -001 This document is the fi rst Specification Update for the
December 1999 -002 Updated revision level tabl es i n the General Information secti on.
April 2000 -003 Added Specification Changes 1.
August 2000 -004 Added Specification Change 2 and Document Change 1.
September 2000 -005 Added Erratum 1.
October 2000 -006 Added Documentation Changes 2,3.
February 2001 -007 Removed BIOS/Errata c ross reference table, Added Errat um 2.
April 2001 -008 Added Documentation Change 4.
May 2001 -009 Added Erratum 3.
Intel
Desktop Board VC820.
v
VC820 SPECIFICATION UPDATE
i
PREFACE
This document is an update to the specifications contained in the
Product Specific at i on
(Order number 737611). It is intended for hardware system manufac t urers and
software developers of applications, operating systems, or tools. It will contain Specification Changes,
Errata, Specification Clarifications, and Documentation Changes.
Refer to the
Pentium
III Processor Specification Update
concerning the Pentium III process or. Items contained in the
either do not apply to the VC820 desktop board or have been worked around are noted in this doc um ent.
Otherwise, it should be assumed that any processor errata for a given stepping are applicable to the PBA
revision(s) associ at ed wi th that stepping.
Refer to the
Intel
Celeron™ Processor Spec i fication Update
updates concerning the Intel Cel eron processor. Items cont ai ned i n the
Update
that either do not apply to t he Des ktop Board VC820 or have been worked around are noted in this
document. Otherwise, it should be assumed that any proc essor errata for a given stepping are appli cable to
the PBA revision(s) associated with t hat s tepping.
Refer to the
Intel
82820 Chipset: 82820 Memory Controll er Hub (M CH) Specification Update
290630) for specification updates concerning the 82820 MCH Controller. Items contained in the
Specification Update
that either do not apply to t he V C820 desktop board or have been worked around are
noted in this document. Otherwise, it should be assum ed that any MCH errata for a given st eppi ng are
applicable to the PBA revision(s) associat ed wit h t hat stepping.
Refer to the
Intel
82801 I/O Controller Hub (ICH) Specification Update
specification updates concerning the 82801 I/O Controller Hub. Items contained in the
Specification Update
that either do not apply to t he V C820 desktop board or have been worked around are
noted in this document. Otherwise, it should be assum ed that any ICH errata for a given st eppi ng are
applicable to the Printed Board Assembly (PBA) revision(s) ass oc i at ed with that stepping.
Refer to the
Intel
82802 Firmware Hub (FWH) Specificati on Updat e
updates concerning the 82802 Firmware Hub. Items contained in the
that either do not apply to t he V C820 desktop board or have been worked around are noted in this document.
Otherwise, it should be assumed that any ICH errata for a giv en stepping are applicable to the Print ed B oard
Assembly (PBA) revision(s) associated wit h t hat stepping.
Intel Desktop Board VC820 Technical
(Order number 244453) for specificati on updates
Pentium III Processor Specification Update
(Order number 243748) for specificati on
Intel Celeron Processor S pec i fication
(Order Number
82820 MCH
(Order Number 290677) for
Intel 82801 ICH
(Order Number TBD) for specification
Intel 82802 FWH Specification Update
that
Nomenclature
Specification Changes are modifications to t he current published specifications. Thes e c hanges will be
incorporated in the next release of the specifications.
Errata are design defects or errors. Characterized errata may cause t he VC820 desktop board’s behavior to
deviate from published spec i fications. Hardware and soft ware des i gned to be used with any given Printed
Board Assembly (PBA) and BIOS revision level must assume that all errata document ed f or that PBA and
BIOS revision level are present on all desktop boards.
Specification Clarifications des cribe a specification in greater detail or further highlight a spec i fication’s
impact to a complex design situation. These clarifications will be incorporated in the next release of the
specifications.
Documentation Changes include typos, errors, or omis sions from the current publ i shed specifications.
These changes will be incorporated in the next release of the specif ications.
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