Replacement / Removal - NEC Express5800 Series User Manual

Chapter 2 Preparations

1.8.3 Replacement / Removal

Follow the steps below to replace or remove the processor.
1. See steps 1 to 6 in Chapter 2 (1.3 Overview of Installation and Removal) for preparations.
2. Locate the processor you are going to remove.
3. Remove screws from the heat sink, slightly move the heat sink horizontally, then remove the processor.
Heat of processor may make the cool seat at the bottom of the heat sink adhere to the processor.
To remove the heat sink from the processor, first turn the heat sink to the left and right lightly to make
sure that the heat sink can be apart from the processor.
4. Push down the socket lever on the side marked "
open the lever until it stops.
5. Push down the socket lever on the side marked "
open the lever until it stops.
6. Push up the CPU socket holder.
7. Bring up the CPU horizontally to remove it.
8. To remove the CPU, attach the protective cover to the CPU socket.
To replace the CPU, install the CPU for replacement.
9. If the CPU has been replaced, install the CPU according to Chapter 2 (1.8.2 Installation).

Do not remove any CPU unless it is failed.
Important

The cool sheet at the bottom of the heat sink may 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
CPU socket to be defected.

If the CPU has been removed but the protective cover and dummy cover are not
attached to the CPU socket, cooling effect degrades, which may cause a CPU
failure.
Important Removing the heat sink with it adhering to the processor may cause the processor
and/or CPU socket to be defected.
Express5800/T120g User's Guide
1. Installing Internal Optional Devices
" to unlatch it from the hook, and then slowly
" to unlatch it from the hook, and then slowly
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