Lenovo x3550 M4 Installation And Service Manual page 322

Installation tool
Figure 220. Installation tool removal
10. If you do not intend to install a microprocessor on the socket, install the
Results
If you are instructed to return the microprocessor, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
Replacing a microprocessor and heat sink
The following notes describe the type of microprocessor that the server supports
and other information that you must consider when you install a microprocessor
and heat sink.
About this task
v Microprocessors are to be installed only by trained technicians.
v Be extremely careful, the microprocessor socket contacts are very fragile. Do not
v Do not allow the thermal grease on the microprocessor and heat sink to come in
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System x3550 M4 Type 7914: Installation and Service Guide
Microprocessor
9. Install the new microprocessor (see "Replacing a microprocessor and heat
sink").
Attention: If you are replacing a microprocessor, use the empty installation
tool that comes with the new microprocessor to remove the microprocessor.
socket cover that you removed in step 8 on page 309 on the microprocessor
socket.
Attention: The pins on the socket are fragile. Any damage to the pins may
require replacing the system board.
Important: Always use the microprocessor installation tool to install a
microprocessor. Failing to use the microprocessor installation tool may damage
the microprocessor sockets on the system board. Any damage to the
microprocessor sockets may require replacing the system board.
touch the microprocessor socket contacts. Contaminants on the microprocessor
contacts or microprocessor socket contacts, such as oil from your skin, can cause
connection failures between the contacts and the socket.
contact with anything. Contact with any surface can contaminate the thermal
grease and the microprocessor socket.