Figure 89. Installing the CPU
7. Close the CPU retainer and lock it into position with the small handle to secure the CPU in the socket.
Figure 90. Closing the CPU retainer
8. Reinstall the heat sink and fan assembly. See “For service technician only: replacing the heat sink and
fan assembly” on page 89.
9. Reconnect all cables that were disconnected from the system board. See “System board components”
on page 19.
10. If you are instructed to return the CPU, follow all packaging instructions and use any packaging
materials that are supplied to you for shipping.
For service technician only: replacing the system board
Attention: This procedure must be performed only by trained service personnel of Lenovo. Do not open your server or
attempt any repair before reading and understanding “Read this first: safety information” on page iii and “Getting
familiar with important guidelines” on page 39.
CAUTION:
Hazardous moving parts. Keep fingers and other body parts away.
Chapter 5. Replacing hardware 93
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