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I/O Control Hub 2, 3, and 4 EEPROM Map and Programming Information Application Note (AP-409)

Revision 2.2 December 2004 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 I/O Control Hub 2, 3, and 4 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 © 2004, Intel Corporation. All rights reserved. * 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. Application Note (AP-409) I/O Control Hub 2, 3, and 4 Contents 1.0 Introduction and Scope ......................................................................................................1 1.1 EEPROM Device and Interface....................................................................................1 1.2 EEPROM Programming Procedure Overview .............................................................2 1.3 ICH2, ICH3, and ICH4 EEPROM Utility .......................................................................2 2.0 ICH2, ICH3, and ICH4 EEPROM Format and Contents ....................................................2 2.1 Ethernet Individual Address .........................................................................................4 2.2 Compatibility Fields ......................................................................................................4 2.2.1 Compatibility Byte 0 ..............................................................................................4 2.2.2 Compatibility Byte 1 ..............................................................................................5 2.3 ICH2, ICH3, and ICH4 Hardware Description Fields ...................................................6 2.3.1 Controller Type ......................................................................................................6 2.3.2 Connector Types ...................................................................................................7 2.3.3 PHY Device Records.............................................................................................7 2.3.4 Printed Wire Assembly Number.............................................................................9 2.4 ICH2, ICH3, and ICH4 Product Identification ...............................................................9 2.4.1 EEPROM ID...........................................................................................................9 2.4.2 ICH2 Integrated 10/100 Mbps LAN Controller Product Identification ..................11 2.4.3 ICH3 Integrated 10/100 Mbps LAN Controller Product Identification ..................14 2.4.4 ICH4 Integrated 10/100 Mbps LAN Controller Product Identification ..................16 2.5 Integrated Alert on LAN Information...........................................................................18 2.5.1 SMB Address and Heartbeat Packet Pointer.......................................................18 2.5.2 Heartbeat Packet Structure within the EEPROM.................................................18 2.6 Boot Agent Configuration Information ........................................................................20 2.6.1 Boot Agent Main Setup Options (Word 30h) .......................................................20 2.6.2 Boot Agent Configuration Customization Options (Word 31h) ............................23 2.6.3 Boot Agent Configuration Customization Options (Word 32h) ............................24 2.6.4 IBA Capabilities (Word 33h) ................................................................................25 2.7 Checksum ..................................................................................................................25 Appendices A ICH2 EEPROM Contents .................................................................................................27 B ICH3 EEPROM Contents .................................................................................................31 C ICH4 EEPROM Contents .................................................................................................37 Figures 1 Heartbeat Packet Example...............................................................................................19 Application Note (AP-409) iii I/O Control Read the full I/O Control Hub 2, 3, and 4 EEPROM Map and Programming Information Application Note (AP-409).

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