NEC Express5800 Series User Manual page 40

2-10 General Description
(1) CPU/IO module 0
This module contains the CPUs (processor), memory (DIMM), PCI board, cooling fan unit, and
hard disk drive.
(3) POWER switch
The power switch is used to power on/off the server. The in-built LED illuminates on the primary
CPU/IO module (The secondary POWER LED is off cannot be used). If the switch is pressed
once, the server is powered on. If the switch is pressed again, the server is powered off. If the
switch is pressed for more than 4 seconds, the server is forcibly shut down.
(3) DVD-ROM drive
This device is used to read data from CD-ROMs.
(4) DISK ACCESS LED
This LED illuminates when the set optical disks are accessed.
(5) Tray eject button
This button ejects the tray.
(6) Manual eject hole.
This hole is used to manually eject CD media by inserting a metal pin.
(7) Hard disk drive bay
This is the bay to mount the hard disk drive. The number after the parenthesized number
indicates a slot number.
(8) CPU/IO module DISK ACCESS LED (green/amber)
This LED illuminates in green when the internal hard disk drives are accessed. If the internal
hard disk drive has failed , the LED illuminates amber.
(9) CPU/IO module 1
This module contains the CPUs (processor), memory (DIMM), PCI board, cooling fan unit, and
hard disk drive.
(10)-1 CPU/IO module status LED 1 (amber)
This LED indicates the status of the CPU/IO module. When the module is successfully running,
the LED is powered off. If a module has a problem, the LED is amber.
(10)-2 CPU/IO module status LED 2 (green)
This LED indicates the status of the CPU/IO module. When both modules are operating (duplex),
the LED illuminates in green. When one module is operating (simplex), the LED blinks in green.
(11) CPU/IO module POWER LED (green)
When the power is on, the LED is green.