NEC N8800-149F User Manual page 198

8-14 System Upgrade
6.
The CPU/IO module is locked on the way and cannot be pulled out. Lower the lock on the
side of CPU/IO module and unlock it, and then pull it out.
7.
Pull out the CPU/IO module gently and carefully place it on a flat and sturdy table.
Avoid the dusty or humid place.
This allows you to access the devices in the CPU/IO module. For more information on how to
handle these devices, see the associated sections.
Lock