k. Close the microprocessor bracket frame.
l. Carefully close the microprocessor release lever to the closed position to
secure the microprocessor in the socket.
9. Install a heat sink on the microprocessor.
Do not touch the thermal grease on the bottom of the heat sink or
set down the heat sink after you remove the plastic cover. Touching the
thermal grease will contaminate it. If the thermal grease is contaminated, call
IBM service and support to request a replacement thermal grease kit. For
information about installing the replacement thermal grease, see "Thermal
grease" on page 103.
a. Make sure that the heat-sink release lever is in the fully open position.
b. Remove the plastic protective cover from the bottom of the heat sink.
c. Align the heat sink above the microprocessor with the thermal-grease side
Chapter 2. Installing optional devices