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82546EB to 82546GB Migration Application Note (AP-484)

Revision 1.0 June 2005 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 82546EB and 82546GB Gigabit Ethernet Controllers 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. 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-484) Revision History Revision 1.0 Revision Date June 2005 Description Initial release 82546EB to 82546GB Migration Application Note (AP-484) iii 82546EB to 82546GB Migration Note: This page intentionally left blank. iv Application Note (AP-484) 1.0 2.0 3.0 82546EB to 82546GB Migration Introduction and Scope The document explains the differences between an Intel® 82546EB Gigabit Ethernet Controller- based design and an Intel® 82546GB Ethernet Controller-based design. The primary differences are: • Device IDs • New 82546GB Features • Resolved 82546EB Errata Reference Documents • 8254x Family of Gigabit Ethernet Controllers Software Developer’s Manual, Intel Corporation. • 82546GB Dual Port Gigabit Ethernet Controller Datasheet, Intel Corporation. • 82546EB Dual Port Gigabit Ethernet Controller Datasheet, Intel Corporation. • 82545EM, 82545GM, 82546EB, and 82546GB Gigabit Ethernet Controllers Design Guide. • PCI Local Bus Specification, Revision 2.3, PCI Special Interest Group. • PCI-X Specification, Revision 1.0a, PCI Special Interest Group. • PCI Bus Power Management Interface Specification, Rev. 1.1, PCI Special Interest Group. Pin Compatibility The 82546GB is a pin compatible drop-in replacement for the 82546EB. Refer to the 82546GB Dual Port Gigabit Ethernet Controller Datasheet for package and pinout information. Application Note (AP-484) 1 82546EB to 82546GB Migration 4.0 5.0 Device IDs Table 1 lists the device IDs for both the 82546EB and 82546GB Gigabit Ethernet Controllers. Table 1. Component Identification Stepping Vendor ID Device Read the full 82546EB to 82546GB Migration Application Note (AP-484).

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