Lenovo 9354 - Manual (Page 85)

10. Lower the microprocessor straight down into the system board socket of the new system board.
11. Lower the small handle to secure the microprocessor in the socket.
12. Position the heat sink on the microprocessor socket and then position the clamp on the plastic retention
bracket. Pivot the handle to clamp the heat sink to the plastic retention bracket.
13. Install the heat sink and fan assembly on the system board.
14. Connect the heat sink and fan assembly cable to the system board. See "Locating parts on the system
board" on page 71.
15. Go to "Completing the FRU replacement" on page 91.
Replacing a memory module
Attention
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre
Safety and Warranty Guide, go to:http://www.lenovo.com/support
This section provides information on how to remove and replace a memory module.
To remove or replace the memory module, do the following:
1. Remove the computer cover. See "Removing the cover" on page 68.
Note: For this procedure, it helps to lay the computer on its side.
2. Locate the memory module connectors. See "Locating parts on the system board" on page 71.
Chapter 8 Replacing FRUs (Types 7061, 7090, 9353, 9421, 9485, 9623, 9625, 9705, 9786, 9795, 9935, 9946, 9953) 79