NEC Express5800/R320g-M4 Maintenance Manual page 158

Chapter 2 Configuring and Upgrading the System
4. Loosen the screws securing the black lever of CPU/IO module, and then unlock the lever.
5. While holding the black levers of the CPU/IO module, pull out the module until the module is locked and
stopped.
Express5800/R310g-E4, R320g-E4, R320g-M4 Maintenance Guide (Windows)
158
・Before you pull out a CPU/IO module, check the rear of the server to make sure
Important
cables for connection with peripherals or network are disconnected.
・If any cables are connected, keep a record of where the cables are connected and
disconnect all cables from the module.
If you cannot disconnect the LAN cable easily, disconnect while pressing the latch with a
Tips
slotted screwdriver.

Do not hold parts other than the lever to pull the module.
Important

Handle the CPU/IO module carefully.
5. Installing Optional Devices