Attention: To maintain correct orientation between the microprocessor and
the microprocessor socket during installation, observe the following
information:
a. Align the screw holes on the heat sink with the holes on the system board.
b. Tighten the screws with a screwdriver, alternating among the screws until
they are tight. If possible, each screw should be rotated two full rotations
at a time. Repeat until the screws are tight. Do not overtighten the screws
by using excessive force.
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.
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 “Replacing the air baffle” on page 185).
If you have other devices to install, do so now. Otherwise, go to “Completing the
installation” on page 82.
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 “Safety” on page vii and “Installation
guidelines” on page 35.
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 “Removing the side cover” on page
38).
Heat sink
System board
Figure 44. Heat sink installation for 4U server models with non-hot-swap power supplies
68 System x3100 M5 Type 5457: Installation and Service Guide
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