Install a CPU

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Properly orient the CPU with the socket alignment tabs and carefully place the CPU into the socket [1].
Ensure that the orientation is correct as damage might result if the CPU pins are not aligned correctly.

Lower the pressure frame.
Ensure that the pressure frame sits flat around the periphery of the CPU.

Engage the release lever by rotating it downward and slipping it under the catch [2].

Use the syringe (supplied with the new or replacement CPU) to apply approximately 0.1 ml of thermal grease to the center of the top of the CPU.
Do not distribute the grease, as the CPU heatsink pressure will do so for you.

Orient the heatsink so that the two screws line up with the mounting studs [3].
The CPU heatsink is not symmetrical.

Caution - If the heatsink assembly is moved too much during its installation, the layer of thermal grease may not be distributed evenly, leading to component damage.

Carefully position the heatsink on the CPU, aligning it with the mounting posts to reduce movement after it makes initial contact with the layer of thermal grease [3].

Use an Allen wrench to tighten the screws alternately one-half turn until fully seated.

Clear server CPU faults.
Refer to the ILOM 3.0 documentation for more information about the following steps.
1. To show server faults, log in to the server as root using the ILOM CLI and type the following command to list all known faults on the system:
  -> show /SP/faultmgmt
  
  The server lists all known faults, for example:
```
-> show /SP/faultmgmt
  Targets:
      0 (/SYS/MB/P0)
  Properties:
  Commands:
      cd
      show
```
2. To clear the fault type the following command:
  -> set /SYS/MB/P0 clear_fault_action=true
  
  For example:
```
-> set /SYS/MB/P0 clear_fault_action=true
Are you sure you want to clear /SYS/MB/P0 9y/n)? y
Set ???clear_fault_action” to ???true???
```