1. Follow the safety guidelines listed in the Safety instructions.
2. Follow the procedure listed in Before working inside your system.
3. Remove all the components that are listed in the Removing the processor expansion module (PEM) section.
4. Before replacing the processor expansion module (PEM):
a. Remove Memory modules from the faulty PEM
b. Remove Processor and heat sink module from the faulty PEM
NOTE: Rotate the PEM handle to the mid position to remove the heat sink modules installed on the faulty PEM.
c. Install Processor and heat sink module into the replacement PEM
NOTE: Rotate the PEM handle to the mid position to install the heat sink modules to the replacement PEM.
d. Install Memory modules into the replacement PEM
Steps
1. Holding the handle of the PEM, align the guide rails with the guide pins on the system board.
2. Lower the PEM into the system until seated firmly and rotate the handle to lock the PEM to the system board.
Next steps
1. Replace the following components:
a. Expansion card risers 1 and 4
b. Cooling fan cage assembly
c. Air shroud
2. Follow the procedure listed in After working inside your system.
PEM power board
This is a service technician replaceable part only.
Removing the PEM power board
There are three PEM power boards on the system board. The procedure to remove is similar.
Prerequisites
1. Follow the safety guidelines listed in the Safety instructions.
2. Follow the procedure listed in the Before working inside your system.
3. Remove the Air shroud.
4. Remove the Cooling fan cage assembly.
5. Remove the PEM.
Steps
1. Using a flat blade screwdriver remove the PEM power board cover.
2. Holding the PEM power board by its edges lift the power board from the connector on the system board.
NOTE: The numbers on the image do not depict the exact steps. The numbers are for representation of sequence.
Installing and removing system components 155
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