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Removing and Replacing Parts 4-21
Microprocessor/Heat Sink Assembly
Figure 4-21. Microprocessor Securing Clip
To remove the microprocessor/heat sink assembly, follow these steps:
1. Remove the microprocessor securing clip from the microprocessor/heat
sink assembly.
Press down on the folded part of the clip with a small screwdriver to release
the clip.
2. Push outward and then upward on the microprocessor release lever to
rotate the lever to its fully vertical position.
3. Lift the microprocessor/heat sink assembly out of its socket (see
Figure 4-22).
To install the replacement microprocessor/heat sink assembly, ensure that the
microprocessor release lever is in its fully vertical position to allow the micro-
processor pins to easily slip into the socket. When the microprocessor/heat sink
assembly is in place, rotate the microprocessor release lever to its horizontal
position. Hook the microprocessor securing clip over the socket tab nearest the
front of the system board, and then snap it over the tab on the back of the socket.
NOTE: Pin 1 on the microprocessor is located on the corner with the largest
bevel. The pin-1 hole in the microprocessor socket is located on the corner
where the holes are in a diagonal pattern.
WARNING: The microprocessor chip can get extremely hot during
system operations. Be sure the chip has had sufficient time to cool
before touching it.
microprocessor
securing clip
hooks over tabs
on socket
(front and back)
microprocessor
heat sink
release lever
microprocessor
socket