NEC Express5800 Series User Manual page 56

2-12 General Description
(6) UID LED (blue)
This LED blinks by a command from software.
(7) POWER switch
This switch is used to power on/off the server. The POWER LED illuminates and the server
is powered on when this switch is pressed once (see page 2-30). The power supply is turned
off when the switch is pressed once again (see page 2-31). Pressing this button for 4 or more
seconds shuts down the server forcefully (see page 4-37).
(8) DUMP (NMI) switch
This switch is used to perform memory dump.
(9) USB1 connector
This connector is used for connecting devices supporting the USB1.1 interface.
(10) Hard disk drive bays
These bays are used to install hard disk drives (see page 8-6).
The numbers following "-" represent SCSI IDs.
(11) CD-ROM drive
This device is used to read data from CD-ROMs.
(12) CPU/IO module #0
This is a module with a set of CPU (processor), memory (DIMM), PCI board, and cooling
fan unit (see page 2-24).
(13) CPU/IO module #1
This is a module with a set of CPU (processor), memory (DIMM), PCI board and cooling fan
(see page 2-24).
(14) Module POWER switch
This switch is used to control power supply to a module. The switch is pressed when
removing a failed module.
(15) Module POWER LED
See page 2-25.
(16) Module FAULT LED
See page 2-25.
(17) Processor error LED
See page 2-25.
(18) I/O error LED
See page 2-25.
(19) Memory group 3 error LED
See page 2-25.