NEC Express5800/R120b-1 User Manual page 369

5.
Unlock the hard disk drive handle.
6.
With the handle in the fully open position, firmly hold the drive carrier and handle, and
insert it into the chassis.
IMPORTANT:
Push the drive to check if it is firmly secured.
Carefully hold the hard disk drive with both hands.
NOTE:
Do not press the POWER switch during the installation or
removal of the hard disk drive if your server is running.
Upgrading Your Server 9-13