About this task
The following notes describe information that you must consider when you
remove a microprocessor:
v A socket cover and heat-sink filler or a microprocessor and heat sink must
always be installed on microprocessor sockets 1, 3, and 4. Microprocessor socket
2 will only have a socket cover when a microprocessor is not install. If the
compute node has only one microprocessor, it must be installed in
microprocessor socket 1.
v The microprocessor installation tool might become worn after several uses. Make
sure that the tool can hold the microprocessor securely if you are reusing an
existing microprocessor installation tool. Do not return the tool with other parts
that you are returning.
v If you are installing a second microprocessor, the option kit comes with a
microprocessor installation tool that you must use when you install a
microprocessor. The microprocessor installation tool comes with the replacement
microprocessor installed on it and a cover over the microprocessor.
v If you are replacing a defective microprocessor, the CRU kit comes with one
installation tool with the replacement microprocessor installed on it and a cover
over the microprocessor, and one empty installation tool without a cover.
v If you are replacing a defective microprocessor, you must obtain the following
items for use during the replacement procedure (see Chapter 5, “Parts listing,
Types 7917 and 2584,” on page 51):
– Alcohol wipes
– Thermal grease
Procedure
To remove a microprocessor and heat sink, complete the following steps.
Heat sink
Heat sink key
Heat sink
filler
1. Remove the cover (see “Removing the compute node cover” on page 498).
2. Locate the microprocessor that is to be removed (see “System-board
connectors” on page 16).
3. Remove the heat sink.
Attention: Do not touch the thermal material on the bottom of the heat sink.
Touching the thermal material will contaminate it.
540 IBM Flex System x440 Compute Node Types 7917 and 2584: Installation and Service Guide
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