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82551ER Fast Ethernet PCI Controller Stepping Information

July 2005 Revision 1.3 Notice: The 82551ER Fast Ethernet Controller 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 document. Information in this document is provided in connection with Intel products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Intel's Terms and Conditions of Sale for such products, Intel assumes no liability whatsoever, and Intel disclaims any express or implied warranty, relating to sale and/or use of Intel products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. Intel products are not intended for use in medical, life saving, or life sustaining applications. Intel may make changes to specifications and product descriptions at any time, without notice. Designers must not rely on the absence or characteristics of any features or instructions marked "reserved" or "undefined." Intel reserves these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them. The 82551ER Fast Ethernet Controller 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. Copies of documents which have an ordering number and are referenced in this document, or other Intel literature may be obtained by calling 1-800- 548-4725 or by visiting Intel's Web site at http://www.intel.com. Copyright © 2005, Intel Corporation. * Other product and corporate names may be trademarks of other companies and are used only for explanation and to the owners’ benefit without intent to infringe. 82551ER Stepping Information Contents Revision History.........................................................................................................................................1 Preface ......................................................................................................................................................1 Nomenclature ............................................................................................................................................1 Product Code.............................................................................................................................................1 Identification Information............................................................................................................................2 82551ER Component Marking Identification ................................................................................2 Summary Table of Changes......................................................................................................................2 Specification Changes................................................................................................... 4 1. Unsupported End of List (EL) Bit in High Priority Queue .................................................4 Errata............................................................................................................................. 5 1. Incorrect CIS Read Accesses After Power Up ................................................................5 2. Link Loss Deep Power Down Noise Sensitivity ...............................................................5 3. Deleted ............................................................................................................................6 Specification Clarifications............................................................................................. 7 1. PCI Buffer Leakage when the Voltage Input/Output (VIO) Pin Not Powered ..................7 82551ER Stepping Information iii iv 82551ER Stepping Information Revision History Date Mar. 2003 July 2004 August 2004 July 2005 Version 1.0 1.1 1.2 1.3 Description Initial release. Added information for the 82551ER Component Marking Identification section. Removed Errata 3, “MDI/MDI-X Feature Not Supported”. This feature is now supported. Removed Documentation Changes section. Deleted Erratum #3. Preface This document is an update to the specifications contained in the 82551ER Fast Ethernet PCI Controller Datasheet, and contains issues affecting all design using the 82551ER device. This document is intended for hardware system manufacturers and software developers of applications, operating systems or tools. It contains Specification Changes, Errata, Specification Clarifications, and Document Changes. All changes, errata, and clarifications described in Read the full 82551ER Fast Ethernet PCI Controller Stepping Information.

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