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Intel® Pentium® D Processor 800∆ Sequence and Intel® Pentium® Processor Extreme Edition 840∆ Specification Update
This document is an update to the specifications contained in the Intel® Pentium® D Processor 800∆ Sequence and Intel® Pentium® Processor Extreme Edition 840∆ Specification Update. This document is a compilation of device and documentation errata, specification clarifications and changes. It is intended for hardware system manufacturers and software developers of applications, operating systems, or tools.
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This location contains the most current Specification Update. The revision number is indicated by the last two digits in its 'pdf' file name. Specification Updates are revised only as changes occur. If a new revision is created, it will be posted per the following 2008 schedule: January 16, February 13, March 12, April 16, May 14, June 11, July 16, August 13, September 10, October 15, November 12, December 10. Δ Intel® processor numbers are not a measure of performance. Processor numbers differentiate features within each processor family, not across different processor families. See www.intel.com/products/processor_number/ for details. ° Enabling Execute Disable Bit functionality requires a PC with a processor with Execute Disable Bit capability and a supporting operating system. Check with your PC manufacturer on whether your system delivers Execute Disable Bit functionality. Φ Intel® EM64T requires a computer system with a processor, chipset, BIOS, operating system, 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. See www.intel.com/technology/architecture-silicon/intel64/ for more information including details on which processors support Intel EM64T or consult with your system vendor for more information.
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