NEC EXPRESS5800/120MF, User Manual

Page: 23 / 346

System Overview 1-5
1 5.25-inch device bay
Tape backup drives may be installed in the 5.25-inch device bay.
2 CD-ROM drive
2 -1 Headphone jack
2 -2 Volume control
2 -3 Access LED (turns amber while the drive is being accessed)
2 -4 CD-ROM slot
2 -5 Emergency hole
2 -6 Open/Close button
3 Disk LED (green/amber)
The disk LED turns green if a hard disk installed in the server is accessed. If a hard disk fails, the
LED turns amber. The LED flashes between green and amber during the build process (in disk
array configuration only).
4 3.5-inch device bay
The 3.5-inch device bay contains up to five hard disks. 1-inch hard disks can be inserted into the
slots.
The SCSI IDs are defined as follows:
ID0 to ID4 from right to left.
5 Cover open sensor (intrusion switch)
The cover open sensor detects the opening of the front door.
6 3.5-inch floppy disk drive
7 -1: Eject button
7 -2: Disk slot
7 -3: Floppy disk access LED (lights green when being accessed)
7 Reset switch
The reset switch is used to reset the server.
8 LAN Access LEDs (green)
LEDs are green while the server is connected to the network. Blinking green LEDs indicates
network activity.
9 Sleep Switch
Pressing the sleep switch once places the server into the sleep mode (power saving mode).
Pressing the power switch while in sleep mode returns the machine to the normal state. (This
function is supported by Windows 2000.)
10 Power switch
The power switch is used to turn the power on/off. By pressing the switch once the
POWER/SLEEP LED lights up and the power is turned on. Pressing the switch for 4 seconds or
more turns the power off automatically.
11 Status LED (green/amber)
This LED indicates the server status. The LED is green during normal operation. The LED turns
amber color when the server enters an abnormal state.
12 USB4 connector
The USB4 connector allows the server to be connected to USB compliant devices
13 Dump switch/NMI (Non-Maskable Interrupt)
The dump switch is used to write the content of the server memory to a file. This operation may
affect the system performances and lead to unstable operation.