Removing Cpu; Replacing Cpu - NEC Express5800 Series Maintenance Manual

Chapter 2 Configuring and Upgrading the System
15. Secure the heat sink with four screws.
16. Install the air duct.
17. See Chapter 2 (5.4.2 Installing CPU/IO Module) and install the CPU/IO module.
18. Connect the power cords.
19. Press the POWER switch to power on the server.
20. Verify that POST displays no error message.
If POST displays an error message, write it down and see the POST error message list in Chapter 1 (6.2
POST Error Messages).
5.6.2

Removing CPU

Remove the heat sink and CPU in the reverse procedure of installation.
5.6.3

Replacing CPU

Take the steps below to replace the failed CPU.
1. Identify the failed CPU by viewing Event Log.
2. Remove the CPU/IO module according to Chapter 2 (5.4.1 Removing CPU/IO Module).
3. Install the new heat sink and CPU according to Chapter 2 (5.6.1 Installing CPU).
4. See Chapter 2 (5.4.2 Installing CPU/IO Module) and install the CPU/IO module.
5. Start the CPU/IO module from NEC ESMPRO Manager or ft server utility.
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Important Tentatively secure the screws diagonally with the order as shown in the figure
below, check that the heat sink is attached to the CPU socket in parallel, then tighten
the screws diagonally.
Express5800/R320e-E4, R320e-M4 Maintenance Guide (Linux)
5. Installing and Replacing Optional Devices