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Intel D845PEBT2 Specification
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Intel D845PEBT2 Specification

Intel D845PEBT2 Specification

Desktop board
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®
Intel
Desktop Board
D845PEBT2
Specification Update
Release Date: November 2003
Order Number: C21698-006
The Intel
Desktop Board D845PEBT2 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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Summary of Contents for Intel D845PEBT2

  • Page 1 Release Date: November 2003 Order Number: C21698-006  The Intel Desktop Board D845PEBT2 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.
  • Page 2 Contact your local Intel sales office or your distributor to obtain the latest specifications before placing your product order. Copies of documents which have an ordering number and are referenced in this document, or other Intel literature, may be obtained from: Intel Corporation P.O.

  • Page 3: Table Of Contents

    CONTENTS REVISION HISTORY ...........................v PREFACE ..............................vi  Specification Update for the Intel Desktop Board D845PEBT2 GENERAL INFORMATION ..........................3 ERRATA...............................5 SPECIFICATION CLARIFICATIONS......................7 DOCUMENTATION CHANGES .........................10...

  • Page 5: Revision History

    Date of Revision Version Description November 2002 -001 This document is the first Specification Update for the  Intel Desktop Board D845PEBT2. Added Erratum 1. December 2002 -002 Added Erratum 2. February 2003 -003 Added Erratum 3. March 2003 -004 Added Erratum 4.

  • Page 6: Preface

    82801DB I/O Controller Hub and that may apply to the desktop board D845PEBT2. Unless otherwise noted in this document, it should be assumed that any ICH errata for a given stepping are applicable to the Altered Assembly (AA) revision(s) associated with that stepping.

  • Page 7: Specification Update For The Intel Desktop Board D845Pebt2

    Specification Update for the ® Intel Desktop Board D845PEBT2...

  • Page 9: General Information

    MCH that may apply to the desktop board D845PEBT2  Refer to the Intel 82801DB I/O Controller Hub 4 (ICH) Specification Update (Order Number 290745) for errata related to the 82801DB I/O Controller Hub that may apply to the desktop board D845PEBT2...
  • Page 10 The following table indicates the Specification Changes, Errata, Specification Clarifications, or Documentation Changes that apply to the desktop board D845PEBT2. Intel intends to fix some of the errata in a future revision of the desktop board, and to account for the other outstanding issues through documentation or specification changes as noted.

  • Page 11: Errata

    ROBLEM (ICH 4) Specification Update, order number 290745 found at http://developer.intel.com/design/chipsets/specupdt. For a complete description of the ICH 4 erratum 8, see the Intel 82801DB I/O Controller Hub 4 MPLICATION (ICH 4) Specification Update, order number 290745 found at http://developer.intel.com/design/chipsets/specupdt.
  • Page 12  Intel Desktop Board D845PEBT2 Specification Update Supervisor Password Cleared When 256MB or Greater System Memory is Used If 256MB or more system memory is added to a system the Supervisor password is cleared. ROBLEM Supervisor password cannot be used with 256MB or more of system memory.

  • Page 13: Specification Clarifications

    Five PCI rev 2.2 compliant local bus slots: PCI add-in cards with SMBus support can access sensor data and other information residing on the Desktop Board D845PEBT2. As shown in the table below, the PCI bus connector to which SMBus is routed varies per board version. The board version can be identified by the board’s AA number (labeled on the board’s front right corner...
  • Page 14 NOTE This document references back-panel slot numbering with respect to processor location on the Desktop Board D845PEBT2. The AGP slot is not numbered. PCI slots are identified as PCI slot #x, starting with the slot closest to the processor. The ATX specification identifies expansion slot locations with respect to the far edge of a full-sized ATX chassis.
  • Page 15  Intel Desktop Board D845PEBT2 Specification Update The following figure shows the location of the board’s AA number. OM15049 Figure 12. Location of the Board’s AA Number...

  • Page 16: Documentation Changes

    Desktop Board D845PEBT2 Specification Update DOCUMENTATION CHANGES  The Documentation Changes listed in this section apply to the Intel Desktop Board D845PEBT2 Technical Product Specification (Order Number C153330). All Documentation Changes will be incorporated into a future version of that specification.