NEC POWERMATE VT 300 Manual page 130

Your system ships with one 3 1/2-inch hard drive installed on
the bottom drive brackets. If you are adding a second hard
drive or replacing the current hard drive, use the following
procedure.
1. Follow the preinstallation instructions that come with
your device, such as setting jumpers and switches.
2. Remove the left side cover (see "Removing the Left Side
Cover" earlier in this chapter).
3. Remove the front panel (see "Removing the Front Panel"
earlier in this chapter).
4. If you are replacing a hard drive,
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unplug the hard drive power and signal cables
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remove the four screws holding the old drive to the
chassis (see the following figure for screw locations)
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remove the old drive from the system
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install a new drive as follows.
5. Connect the IDE drive signal and power cables to the
hard drive you are installing in the system.
6. Attach the hard drive to the chassis:
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Set the hard drive on the brackets inside the chassis
(see the following figure for bracket locations).
Position the hard drive so that the connectors on the
drive face out of the left side of the chassis and the
component side of the drive is against the chassis.
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Align the four screw holes in the drive with the four
screw holes in the chassis (see the following figure).
Installing Options 4-49