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19
1.4 Processor
✏
NOTE
Refer to Thermal Considerations (Section 2.12, page 61) for important information when using an
Intel Pentium 4 processor operating above 2.80 GHz with this Intel
®
desktop board.
The board is designed to support the following:
• Intel Pentium
4 processors in an mPGA478 processor socket with a 400 or 533 MHz system
bus
• Intel Celeron processors in an mPGA478 processor socket with a 400 MHz system bus
See the Intel web site listed below for the most up-to-date list of supported processors.
For information about… Refer to:
Supported processors for the D865PCD board http://www.intel.com/design/motherbd/cd/cd_proc.htm
CAUTION
Use only the processors listed on web site above. Use of unsupported processors can damage the
board, the processor, and the power supply.
#
INTEGRATOR’S NOTES
• Use only ATX12V-, SFX12V-, or TFX12V-compliant power supplies. ATX12V, SFX12V, and
TFX12V power supplies have an additional power lead that provides required supplemental
power for the processor. Always connect the 20-pin and 4-pin leads of ATX12V, SFX12V, and
TFX12V power supplies to the corresponding connectors on the desktop board, otherwise the
board will not boot.
• Do not use a standard ATX power supply. The board will not boot with a standard ATX power
supply.
• Refer to Table 3 on page 20 for a list of supported system bus frequency and memory speed
combinations.
For information about Refer to
Power supply connectors Section 2.8.2.2, page 46