IBM x3690 X5 Service Manual page 373

Note: The microprocessor fits only one way on the socket.
Handle
Installation
tool
Alignment
holes
Screws
h. Close the microprocessor bracket frame.
i. Carefully close the microprocessor release lever to the closed position to
secure the microprocessor in the socket.
3. Install the heat sink that comes with the microprocessor:
a. Remove the plastic protective cover from the bottom of the heat sink.
Attention: Do not touch the thermal grease on the bottom of the heat sink
after you remove the protective cover. Touching the thermal grease will
contaminate it. See "Thermal grease" on page 356 for more information.
b. Align the heat sink on top of the microprocessor with the thermal grease
side down.
c. Lower the flange of the heat sink into the opening in the retainer bracket
and press down firmly on the rear of the heat sink until it is seated securely.
Heat sink
release lever
Lock tab
d. Rotate the heat-sink release lever to the closed position and hook it
underneath the lock tab.
4. If you removed the microprocessor air baffle, install it (see "Replacing the
microprocessor air baffle" on page 269).
5. Reinstall the riser-card assembly on the system board (see "Replacing a PCI
riser-card assembly" on page 337).
6. Reinstall the memory tray, if one was removed (see"Replacing the memory
tray" on page 267).
Microprocessor
Flange
Microprocessor
Retention
module
Slot
opening
Chapter 5. Removing and replacing components
355