NEC Express5800 User Manual page 39

1 5.25-inch device bay
Backup file device of 5.25-inch width or MO drive may be installed in the 5.25-inch device bay.
2 Optical disk drive
The optical disk drive reads or writes data from/onto the inserted CD-ROM or DVD-ROM.
The following drive can be installed.
DVD-ROM drive
•
DVD Super MULTI drive
•
2-1 Access lamp
2-2 Tray
2-3 Emergency hole
2-4
Open/Close button
3 Hard disk drive bay
The hard disk drive bay contains slots for hard disk drives.
With 3.5-inch disk cage (N8154-25):
With 2.5-inch disk cage (N8154-24):
Hard disk drives are sold separately.
Dummy trays are inserted into the empty slots.
4 Cover open sensor
The cover open sensor detects the open of the front door.
5 POWER/SLEEP switch
The power switch is used to turn on/off the power. If you press the switch once, then the
POWER/SLEEP lamp goes on and the power is turned on. If you press the switch again, the
power is turned off. The system is forcibly shut down when the power switch is pressed
continuously for four seconds or longer.
6 Lamps (see the figure on the previous page)
7 Reset switch
The reset switch is used to reset the server.
8 DUMP switch (NMI switch)
The dump switch is used to collect the event logs having occurred in the server.
9 USB connectors
The USB connectors allow the server to connect with devices meeting the USB interface.
10 Additional disk cage bay
Installing an optional disk cage allows the server to be equipped with up to eight hard disk
drives (with 3.5-inch disk cage) or up to 16 hard disk drives (with 2.5-inch disk cage).
Can contain hard disk drives having thickness of about 1 inch (25.4 mm).
Port numbers are assigned to PORT0 to PORT3 from bottom to top.
Can contain hard disk drives having thickness of about 0.6-inch (15 mm).
Port numbers are assigned to PORT0 to PORT7 from right to left.
General Description 2-7