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® 64-bit Intel Xeon™ Processor with 2 MB L2 Cache Datasheet

September 2005 Document Number: 306249-002 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, 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. ® Xeon™ Processor with 2 MB L2 Cache may contain design defects or errors known as errata which may cause the product to The 64-bit Intel deviate from published specifications. Current characterized errata are available on request. MPEG is an international standard for video compression/decompression promoted by ISO. Implementations of MPEG CODECs, or MPEG enabled platforms may require licenses from various entities, including Intel Corporation. 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 website at http://www.intel.com. Intel, Pentium, Intel Xeon, SpeedStep, Intel NetBurst, Intel Extended Memory 64 Technology, and Itanium are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. Intel® Extended Memory 64 Technology (Intel® EM64T) requires a computer system with a processor, chipset, BIOS, OS, device drivers and applications enabled for Intel EM64T. Processor will not operate (including 32-bit operation) without an Intel EM64T-enabled BIOS. Performance will vary depending on your hardware and software configurations. Intel EM64T-enabled OS, BIOS, device drivers and applications may not be available. Check with your vendor for more information. *Other names and brands may be claimed as the property of others. Copyright © 2005, Intel Corporation 2 Datasheet Contents 1 2 3 4 5 6 Introduction.......................................................................................................................11 1.1 Terminology.........................................................................................................12 1.2 References..........................................................................................................14 1.3 State of Data .......................................................................................................15 Electrical Specifications...................................................................................................17 2.1 Power and Ground Pins ......................................................................................17 2.2 Decoupling Guidelines ........................................................................................17 2.2.1 VCC Decoupling .....................................................................................17 2.2.2 VTT Decoupling......................................................................................17 2.2.3 Front Side Bus AGTL+ Decoupling ........................................................18 2.3 Front Side Bus Clock (BCLK[1:0]) and Processor Clocking................................18 2.3.1 Front Side Bus Frequency Select Signals (BSEL[1:0]) ..........................18 2.3.2 Phase Lock Loop (PLL) and Filter..........................................................19 2.4 Voltage Identification (VID)..................................................................................20 2.5 Reserved Or Unused Pins...................................................................................22 2.6 Front Side Bus Signal Groups.............................................................................22 2.7 GTL+ Asynchronous and AGTL+ Asynchronous Signals ...................................24 2.8 Test Access Port (TAP) Connection....................................................................24 2.9 Mixing Processors...............................................................................................25 2.10 Absolute Maximum and Minimum Ratings..........................................................25 2.11 Processor Read the full ® 64-bit Intel Xeon™ Processor with 2 MB L2 Cache Datasheet.

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