System Board - Lenovo ThinkStation P320 Hardware Maintenance Manual

Figure 99. Installing the microprocessor
10. Close the microprocessor retainer and lock it into position with the small handle. Ensure that the new
microprocessor is securely seated in the socket.
11. Reinstall the heat sink and fan assembly. See "Heat sink and fan assembly" on page 105.
12. Reconnect any cables that were disconnected from the system board.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the replacement, go to "Completing the parts replacement" on page 139.

System board

Attention: Before you replace any FRU, be sure to read and understand Chapter 1 "Read this first:
Important safety information" on page 1.
CAUTION:
The heat sink and microprocessor might be very hot. Before you open the computer cover, turn off the
computer and wait several minutes until the computer is cool.
To replace the system board, do the following:
1. Prepare your computer. See "Preparing your computer and removing the computer cover" on page 69.
2. Lay the computer on its side for easier access to the system board.
3. Remove the front bezel. See "Front bezel" on page 70.
4. Press the release tab
1
as shown and pivot the drive bay assembly upward.
.
Chapter 8 Hardware removal and installation
119