Lenovo ThinkStation P500 Hardware Maintenance Manual page 188

Figure 122. Installing the system board
17. Reinstall all parts that you have removed one by one in the reversed sequence as you remove them.
Refer to the information that you have noted down and the related topics in Chapter 11 "Installing or
replacing hardware" on page 111. Connect all cables to the new system board. See "Locating parts on
the system board" on page 34.
18. Connect the external cables and the power cord to the computer.
The failing system board must be returned with a microprocessor socket cover to protect the pins during
shipping and handling. Install the microprocessor socket covers removed from the new system board
on the failing system board.
Note: The microprocessor socket cover installation procedure should be performed on both microprocessor
sockets on the failing system board.
To install the microprocessor socket cover, do the following:
1. Pivot the microprocessor retainer downward to close the retainer.
Figure 123. Closing the microprocessor retainer
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ThinkStation P500 and P700 Hardware Maintenance Manual