NEC Express5800 User Manual page 415

Removal
To remove the CPU, prepare the removal referring to Steps 1 and 3 in the installation procedure and
do the reverse procedure of steps 10 to 4. To remove the heat sink, slide it a little on the level and
remove it (see "IMPORTANT" below).
IMPORTANT:
Do not remove any CPU unless it is failed.

After the operation, heat may make the cool sheet at the bottom of

the heat sink adhere to the CPU. To remove the heat sink from the
CPU, first turn the heat sink to the left and right lightly to make sure
that the heat sink can be apart from the CPU. Removing the heat
sink with it adhering to the CPU may cause the CPU and/or socket
to be defected.
Do the following procedure if a CPU is removed (or replaced).
1.
Run SETUP and select menus [Advanced] – [Processor Configuration] – [Processor
Information] in the order to confirm that the ID, L2 Cache Size, and L3 Cache Size of the
additional CPU are defined normally (see Chapter 4)
IMPORTANT:
installation location of DIMMs. See "DIMM" described later for how to
install the DIMMs.
If you removed a CPU, you need to change
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