IBM x3550 M4 Type 7914

Replacing the heat-sink retention module
Use this information to replace the heat-sink retention module.
About this task
To install a heat-sink retention module, complete the following steps:
Procedure
1. Read the safety information that begins on “Safety” on page vii and
“Installation guidelines” on page 33.
2. Turn off the server and peripheral devices and disconnect the power cords
and all external cables.
3. Remove the cover (see “Removing the cover” on page 36).
4. Remove the air baffle (see “Removing the air baffle” on page 37).
5. Align the retention module with the holes on the system board.
6. Use a screwdriver to reinstall the four screws.
7. Reinstall the heat sink (see “Replacing a microprocessor and heat sink” on
page 316).
Attention: Make sure that you install each heat sink with its paired
microprocessor.
8. Reinstall the air baffle (see “Replacing the air baffle” on page 211).
9. Install the cover (see “Replacing the cover” on page 209).
10. Slide the server into the rack.
11. Reconnect the power cords and any cables that you removed.
12. Turn on the peripheral devices and the server.
Figure 235. Heat-sink retention module installation
326 IBM System x3550 M4 Type 7914: Installation and Service Guide