NEC POWERMATE PROFESSIONAL 9000 Service Manual page 191

Install a 3 1/2-inch internal hard disk drive by following these steps:
Follow the preinstallation instructions that come with the new hard disk drive,
1.
such as setting jumpers and switches.
See "Preparing the Device" for information on preparing the device.
Remove the left cover of the system unit (see "Removing the Covers").
2.
3. If a currently installed hard disk drive is being replaced, label the IDE device
signal and power cables connected to the drive and then disconnect them.
4. Remove the drive cage from the chassis (see "Removing the Drive Cage").
If a currently installed hard disk drive is being replaced, remove the four screws
5.
securing the drive to the drive cage and remove the drive from the drive cage (see
the following figure).
Insert the new hard disk drive into the drive cage. Orient the cable connectors
6.
toward the front of the drive cage. The front wall of the drive cage has cutaways
for the cables.
Secure the drive in the drive cage with the four screws that came with the device
7.
or the screws from the old device.
Figure 3-29 Securing a Drive in the Lower Drive Bay
Option Installation 3-35