Removing Cpu; Replacing Cpu - NEC Express5800/R320g-M4 Maintenance Manual

Chapter 2 Configuring and Upgrading the System

5.6.2 Removing CPU

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

5.6.3 Replacing CPU

Follow 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 a new heat sink and 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.
Express5800/R310g-E4, R320g-E4, R320g-M4 Maintenance Guide (Windows)
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Tighten the screws as shown below. (Disassembly order 4, 3, 2, 1)
Important
5. Installing Optional Devices