21
System board components
Refer to the following sections for instructions about how to remove or replace the processor, the memory
modules, the expansion cards, and the system battery.
Processor
The LGA775 processor socket supports Intel Pentium 4, Pentium D, and Celeron D processors.
Figure -20 [LGA775 processor socket]
WARNING! To reduce the risk of injury from a hot component, allow the surface to cool before touching.
To replace the processor:
1. Perform steps 1 through 3 of the Pre-installation instructions.
2. Remove the access panel.
3. Lay the server on its side with the open side facing up.
4. If necessary, remove any accessory boards or cables that prevent access to the processor socket.
5. Remove the heatsink-cooling fan (HSF) assembly:
a. Disconnect the processor fan cable from the connector on the system board (P70).
b. Twist the mounting pins counterclockwise to loosen them.
c. After you loosen all four mounting pins, lift the HSF away from the system board.
Place the HSF down in an upright position with the thermal patch facing upward. Do not let the thermal
patch touch the work surface.
Figure -21 [Removing the heatsink-cooling fan assembly]
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