User`s guide

2-7
1 5.25-inch device bay
Backup tape drives may be installed in the 5.25-inch device bays.
2 Optical disk drive
The optical disk drive reads data from the inserted CD/DVD-ROM.
The optical disk drive is factory-installed.
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 the 3.5-inch HDD 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.
With the 2.5-inch HDD cage:
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.
Hard disk drives are sold separately. Dummy trays are inserted into the empty slots except for
port 0.
4 Cover open sensor
The cover open sensor detects the opening of the front door.
5 Power switch
The power switch is used to turn on/off the power.
If you press the switch once, 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 that occurred in the server.
9 USB connectors
The USB connectors allow the server to connect with USB devices.
10 Additional HDD cage bay
Installing an optional HDD cage allows the server to be equipped with up to eight hard disk
drives (with a 3.5-inch HDD cage) or up to 16 hard disk drives (with a 2.5-inch HDD cage).
11 Floppy disk drive bay
The floppy disk drive bay contains an optional floppy disk drive.