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The Intel® Desktop Board D975XBX2 supports a single 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 Processor
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Compatibility for older processors:
Intel® Pentium® Extreme Edition Processor
| 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 Extreme Edition Processor
| 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 |
4MB |
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 |
4MB |
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 Processor
| 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. It is a five character string (SL36W, XL2XL, etc.) that is printed on the processor, and used to identify the processor. You can find this number by looking at the markings on the processor or on the label that came with your boxed processor.
Warning: 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:
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