Removing and replacing FRUs
FRUs must be replaced or installed only by trained service technicians.
The illustrations in this document might differ slightly from the hardware.
Removing a microprocessor
Attention:
v Do not allow the thermal grease on the microprocessor and heat sink to come in
contact with anything. Contact with any surface can compromise the thermal
grease and the microprocessor socket.
v Use the vacuum tool that comes with the replacement microprocessor to remove
the microprocessor. Dropping the microprocessor during installation or removal
can damage the contacts.
v Do not touch the microprocessor contacts; handle the microprocessor by the
edges only. Contaminants on the microprocessor contacts, such as oil from your
skin, can cause connection failures between the contacts and the socket.
To
remove a microprocessor and heat sink, complete the following steps:
Microprocessor
Heat sink
Heat sink
installation
label
Alignment indicator
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 95
2. Turn off the server and peripheral devices and disconnect all power cords; then,
remove the cover (see “Removing the cover” on page 98).
3. Remove the heatsink. Loosen two captive screws on alternate sides of the
heatsink fully before loosening the other two captive screws (this helps to break
the bond between the heat sink and the microprocessor). After the captive
screws are loosened, remove the heat sink.
Chapter 4. Removing and replacing server components 137
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