Dell PowerEdge SC1420 - Manual (Page 51)

Each processor and its associated cache memory are contained in a PGA package that is installed in a ZIF socket on the system board.
Removing the Processor
1. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2. Open the system. See " Opening the System " in "Troubleshooting Your System."
3. Remove the processor cooling shroud(s). See " Removing the Processor Cooling Shrouds ."
4. Remove the processor heat sink.
a. Remove the two retention module clips by squeezing the tabs on the clip and lifting the retention module clip up. See Figure 6 -7 .
b. On the retention module base, pull the tab away from the heat sink and rotate the heat sink away from the processor as shown in Figure 6 -8 .
Figure 6-7. Removing the Retention Module Clip
Figure 6-8. Removing and Installing the Heat Sink
NOTE: If two processors are installed, they must be identical (speed, type, and cache).
CAUTION: Only trained service technicians are authorized to open the system cover and access any of the components inside the system. See
your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against
electrostatic discharge.
CAUTION: The processor and heat sink can get very hot during normal operation. Ensure that they have had sufficient time to cool before you
touch them.
NOTE: If two processors are installed, CPU_0 must be removed before removing CPU_1.
NOTE: If you are removing the CPU_1 heat sink, remove the VRM before removing the heat sink. See " Removing the VRM ."