Lenovo ThinkServer RS160, User Manual And Hardware Maintenance Manual

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10. Use a cleaning pad to wipe the thermal grease from the heat sink and the top of the microprocessor.
Dispose of the cleaning pad after all of the thermal grease is removed.
11. Apply appropriate amount of thermal grease to the top of the microprocessor in the shape of either a
cross or a circle as shown.
Notes:
• Do not touch the thermal grease.
• Keep the thermal grease off the system board.
Figure 78. Applying the thermal grease to the top of the microprocessor
12. Reinstall all parts that you have removed one by one in the reverse sequence as you remove them. See
“Removing and installing hardware” on page 48.
13. Connect all cables to the system board.
14. If you are instructed to return the old system board, follow all packaging instructions and use any
packaging materials that are supplied to you for shipping.
The old system board must be returned with a microprocessor socket cover to protect the pins during
shipping and handling. To install a microprocessor socket cover on the old system board, do the following:
1. After you have removed the microprocessor from the old system board, close the microprocessor
retainer, press down the handle, and then push the handle inward to lock the retainer into position.
2. Note the orientation of the socket cover, and install one side of the socket cover into the microprocessor
socket as shown. Then, carefully press the other side of the socket cover downward until it snaps
into position.
Figure 79. Installing the microprocessor socket cover
3. Carefully check the four corners of the socket cover to ensure that the cover is seated securely.
To complete the parts replacement, go to “Completing the parts replacement” on page 95.
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ThinkServer RS160 User Guide and Hardware Maintenance Manual