Figure 109. Installing the processor
Step 2.  Close the processor retainer, and push the handle to the locked position. 
Figure 110. Closing the processor retainer
After this task is completed
1.  Reinstall the heat sink and fan assembly (see “Install the heat sink and the fan module” on page 132).
2.  Complete the parts replacement. See “Complete the parts replacement” on page 217.
RAID flash power module replacement
Follow instructions in this section to remove and install the RAID flash power module (supercap).
Note: This topic applies only to server models that have RAID flash power modules installed.
The RAID flash power module protects the cache memory on the installed RAID adapter. You can purchase a 
RAID flash power module from Lenovo.
For a list of supported options, see: 
https://static.lenovo.com/us/en/serverproven/index.shtml
Remove a RAID flash power module
Follow instructions in this section to remove a RAID flash power module (supercap).
Chapter 4. Hardware replacement procedures 187