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Desktop Boards
Intel® Desktop Board D975XBX2
Supported processors

The Intel® Desktop Board D975XBX2 supports one Intel® processor in an LGA775 socket. See the link and the tables below for a complete list of supported processors.

Go to the Compatibility Tool for processor compatibility information for these processors:
  • Intel® Core™2 Extreme Processor
  • Intel® Core™2 Quad Processor
  • Intel® Core™2 Duo Processor
  • Intel® Pentium® Dual-Core Desktop Processor

Compatibility for older processors:

Intel® Pentium® Processor Extreme Edition
Processor Number Processor Speed System Bus Frequency L2 Cache Size BIOS Version
965 3.73 GHz 1066 MHz 2x2 MB 2212 or greater
955 3.46 GHz 1066 MHz 2x2 MB 2212 or greater
840 3.20 GHz 800 MHz 2x1 MB 2212 or greater

Intel® Pentium® 4 Processor Extreme Edition
Processor Speed System Bus Frequency L2 Cache Size BIOS Version
3.73 GHz 1066 MHz 2 MB 2212 or greater

Intel® Pentium® D Processor
Processor Number Processor Speed System Bus Frequency L2 Cache Size BIOS Version
960 3.60 GHz 800 MHz 2x2 MB 2212 or greater
950 3.40 GHz 800 MHz 2x2 MB 2212 or greater
945 3.40 GHz 800 MHz 4 MB 2212 or greater
940 3.20 GHz 800 MHz 2x2 MB 2212 or greater
935 3.20 GHz 800 MHz 2x2 MB 2212 or greater
930 3 GHz 800 MHz 2x2 MB 2212 or greater
920 2.80 GHz 800 MHz 2x2 MB 2212 or greater
915 (sSpec SL9KB only) 2.80 GHz 800 MHz 4 MB 2212 or greater
840 3.20 GHz 800 MHz 2x1 MB 2212 or greater
830 3 GHz 800 MHz 2x1 MB 2212 or greater
820 2.80 GHz 800 MHz 2x1 MB 2212 or greater

Intel® Pentium® 4 Processors
Processor Number Processor Speed System Bus Frequency L2 Cache Size BIOS Version
672 3.80 GHz 800 MHz 2 MB 2212 or greater
670 3.80 GHz 800 MHz 2 MB 2212 or greater
662 3.60 GHz 800 MHz 2 MB 2212 or greater
661 3.60 GHz 800 MHz 2 MB 2212 or greater
660 3.60 GHz 800 MHz 2 MB 2212 or greater
651 3.40 GHz 800 MHz 2 MB 2212 or greater
650 3.40 GHz 800 MHz 2 MB 2212 or greater
641 3.20 GHz 800 MHz 2 MB 2212 or greater
640 3.20 GHz 800 MHz 2 MB 2212 or greater
631 3 GHz 800 MHz 2 MB 2212 or greater
630 3 GHz 800 MHz 2 MB 2212 or greater
571 3.80 GHz 800 MHz 1 MB 2212 or greater
570J 3.80 GHz 800 MHz 1 MB 2212 or greater
561 3.60 GHz 800 MHz 1 MB 2212 or greater
560J 3.60 GHz 800 MHz 1 MB 2212 or greater
560 3.60 GHz 800 MHz 1 MB 2212 or greater
551 3.40 GHz 800 MHz 1 MB 2212 or greater
550J 3.40 GHz 800 MHz 1 MB 2212 or greater
550 3.40 GHz 800 MHz 1 MB 2212 or greater
540J 3.20 GHz 800 MHz 1 MB 2212 or greater
540 3.20 GHz 800 MHz 1 MB 2212 or greater
531 3 GHz 800 MHz 1 MB 2212 or greater
530J 3 GHz 800 MHz 1 MB 2212 or greater
530 3 GHz 800 MHz 1 MB 2212 or greater
521 2.80 GHz 800 MHz 1 MB 2212 or greater
520J 2.80 GHz 800 MHz 1 MB 2212 or greater
520 2.80 GHz 800 MHz 1 MB 2212 or greater

The sSpec number is also known as specification number. A five-character string (for example: SL36W or XL2XL) is printed on the processor and used to identify the processor. You can find this number on the processor or on the label that came with your boxed processor.


Caution		 Caution
Processors not specifically listed by type and rated speed may have requirements that are not supported by the desktop board's design. Use of unsupported processors may result in improper operation, damage to the desktop board or processor, or reduced product life. 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 THE 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.

This applies to:
Intel® Desktop Board D975XBX2

End of Interactive Support Disclaimer
Intel no longer provides email, chat, or phone support for this discontinued product(s). Product support information on the Intel web site is provided for reference and subject to the "Terms of use".

Intel will not provide future software updates to support new operating systems or improve compatibility with third-party devices and software products.



Solution ID: CS-026614
Date Created: 24-May-2007
Last Modified: 07-Feb-2012
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