IBM System x3550 M4 Installation And User Manual page 99

v Make sure that the microprocessor is oriented and aligned correctly in
the socket before you try to close the microprocessor retainer.
v Do not touch the thermal material on the bottom of the heat sink or on
top of the microprocessor. Touching the thermal material will
contaminate it.
9. Remove the microprocessor socket dust cover, tape, or label from the surface
of the microprocessor socket, if one is present. Store the socket cover in a
safe place.
Attention: When you handle static-sensitive devices, take precautions to
avoid damage from static electricity. For details about handling these devices,
see "Handling static-sensitive devices" on page 40.
10. Close the microprocessor socket release levers and retainer:
a. Close the microprocessor retainer on the microprocessor socket.
b. Identify which release lever is labeled as the first release lever to close and
close it.
c. Close the second release lever on the microprocessor socket.
11. Install the heat sink:
Chapter 2. Installing optional devices
83