2.3.3 Installing the CPU heatsink and fan
The Intel® Xeon™ processors require an Intel® certified heatsink and fan assembly to ensure optimum thermal condition and performance.
When you buy a boxed Intel® CPU, the package includes the heatsink, fan, retention brackets, screws, thermal grease, installation manual, and other items that are necessary for CPU and CPU heatsink and fan installation.
Important notes• This system does not support Intel® Xeon™ FSB 533 box fan and heatsink assembly. When installing Intel® Xeon™ FSB 533 CPU(s), it is recommended that you use
•When installing Intel® Xeon™ FSB 800 boxed CPU(s), it is recommended that you use the fan and heatsink assembly (ies) included in the CPU package(s).
•Refer to the installation manual that came with the CPU package for details on fan and heatsink assembly installation.
| CPU heatsink (top view) | CPU heatsink (bottom view) |
Heatsink screw
Before installing the CPU heatsinks:
•Make sure that you have applied the thermal grease on top of the CPU before installing the fan and heatsink assembly.
•Ensure that the jumpers FM_CPU1 and FM_CPU2 are set correctly depending on the pin definition of your CPU fan cables. Refer to the motherboard user guide for information.
•Remove the chassis fan to have more space for the CPU fan and heatsink assembly installation. Refer to section “2.10 Removable components” for details.
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