Lenovo 5457 Installation And Service Manual page 74

Important: Do not touch the thermal material on the bottom of the heat sink. Touching the thermal
material will contaminate it. If the thermal material on the microprocessor or heat sink becomes
contaminated, contact your service technician.
System board
Figure 44. Heat sink installation for 4U server models with non-hot-swap power supplies
12. Reconnect any cables that you disconnected during the removal of the old microprocessor.
13. Secure the SATA signal cables with the retention-clips.
14. Install the air baffle (see
If you have other devices to install, do so now. Otherwise, go to
To install the microprocessor and heat sink on the 5U server model with hot-swap power supplies, complete
the following steps. For 4U server models with non-hot-swap power supplies, please see the above sub-
section.
1. Read the safety information in
2. Turn off the server and all attached devices; then, disconnect all power cords and external cables.
3. Unlock and remove the side cover (see
4. Carefully turn the server on its side so that it is lying flat, with the system board facing up.
Attention: Do not allow the server to fall over.
5. Touch the static-protective package that contains the microprocessor to any unpainted metal surface on
the server. Then, remove the microprocessor from the package.
6. Remove the protective cover, tape, or label from the surface of the microprocessor socket, if any is
present.
7. Rotate the release lever on the microprocessor socket to the fully open position.
Attention: Make sure that the release lever on the microprocessor socket is in the fully open position
before you insert the microprocessor in the socket. Failure to do so might result in permanent damage to
the microprocessor, microprocessor socket, and system board.
8. Carefully grasp the microprocessor and place the microprocessor into the microprocessor socket.
Lenovo System x3100 M5 Installation and Service Guide
62
Heat sink
"Replacing the air baffle" on page
"Safety" on page v
"Removing the side cover" on page
178).
"Completing the installation" on page
and "Installation guidelines" on page
75.
31.
34).