NEC Express5800 Series Maintenance Manual page 118

Chapter 2 Configuring and Upgrading the System
4. Loosen the screws securing the CPU/IO module handle to press down the handle.
5. Hold the black levers of the CPU/IO module and pull it off.
Pull it off until it is locked and stopped.
118
Important
Before you pull out a CPU/IO module, check the rear of the server to make sure
cables are disconnected from peripheral devices or network. If any cables are
connected, keep a record of where the cables are connected and disconnect all
cables from the module you are to pull out.
Tips If you cannot disconnect the LAN cable easily, disconnect it while pressing the latch with a
slotted screwdriver.
•
Important Do not hold part other than the handle to pull the module.
•
Handle the CPU/IO module carefully. Do not drop the module or bump it against
parts in the device when you remove it.
Express5800/R320c-E4, R320c-M4 Maintenance Guide (VMware)
5. Installing Optional Devices