Dell PowerEdge SC1425 - Manual (Page 51)

Processor
It is possible to upgrade your processor(s) to take advantage of future options in speed and functionality. Each processor and its associated internal cache
memory are contained in a pin grid array (PGA) package that is installed in a zero insertion force (ZIF) socket on the system board.
Replacing the Processor
1. Open the system. See " Opening the System " in Troubleshooting Your System."
2. Remove the processor cooling shroud by rotating the shroud up and back toward the back of the system. See Figure 6 -10 .
Figure 6-10. Installing and Removing the Processor Cooling Shroud
3. Using a #2 Phillips screwdriver, loosen the four captive screws that secure the heat sink to the system board. See Figure 6 -11 .
Figure 6-11. Installing and Removing the Heat Sink
4. Wait 30 seconds for the heat sink to loosen from the processor.
5. If the heat sink has not separated from the processor, carefully rotate the heat sink in a clockwise, then counterclockwise, direction until it releases from
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as
authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not
authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.
NOTE: When you remove the heat sink, the possibility exists that the processor might adhere to the heat sink and be removed from the socket. It is
recommended that you remove the heat sink while the processor is still warm.
NOTICE: Never remove the heat sink from a processor unless you intend to remove the processor. The heat sink is necessary to maintain proper
thermal conditions.