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ICHx Integrated LAN Controller Function Disable and Power Control for Fast Ethernet

Application Note (AP-417) Revision 3.0 October 2003 ® 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 CORPORATION’S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS, INTEL ASSUMES NO LIABILITY WHATSOEVER, AND ® PRODUCTS INCLUDING LIABILITY INTEL DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF INTEL OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. ® products are not intended for use in medical, life saving, or life sustaining applications. Intel 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 Intel products referenced in this document 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 order 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 website at http://www.intel.com. *Other names and brands may be claimed as the property of others. Copyright © Intel Corporation, 2003 ii Application Note (AP-417) ICHx Integrated LAN Controller Function Disable and Power Control for Fast Ethernet Revision History Revision 1.0 2.0 3.0 Revision Date April 2001 Nov 2002 Oct 2003 Description Added design detail for the Exclusive OR (XOR) Tree Test and Isolate Mode. • Added 100 Ω series resistors to Figures 1, 3, and 4, for the XOR Tree Test and Isolate Mode. • Added a table to Section 2.3.2 ”82562ET/EM PLC Device Disable for Lower Power Consumption” for configuration of various modes. Changed document status to Intel Confidential. No content changes were made. LAN disable circuit updated to reflect ICH3 and later (ICHx); removed “confidential” status. Application Note (AP-417) iii ICHx Integrated LAN Controller Function Disable and Power Control for Fast Ethernet Contents 1.0 2.0 Introduction ........................................................................................................................1 1.1 Scope ....................................................................................................................1 1.2 Reference Documents ..........................................................................................1 ICHx and 82562 Integrated LAN Function Disable and Power Control .............................3 2.1 ICHx Integrated LAN Function Enable/Disable Controls.......................................3 2.2 BIOS Setup for ICHx Integrated LAN Function Enable/Disable............................4 2.3 ICHx Integrated LAN Function Enable/Disable Hardware Control........................5 2.3.1 ICHx and Integrated LAN Disable ............................................................5 2.3.2 82562ET/EM PLC Device Disable for Lower Power Consumption..........6 2.3.3 Recommended ICHx Resume-well GPIO Control Methods for LAN Disable .............................................................................................6 iv Application Note (AP-417) 1.0 1.1 1.2 ICHx Integrated LAN Controller Function Disable and Power Control for Fast Ethernet Introduction ® This application note provides guidelines for function disable of the Intel 82562 Platform LAN Read the full ICHx Integrated LAN Controller Function Disable and Power Control for Fast Ethernet.

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