Disk Access Lamp; Act Lamp - NEC Express5800/120Rd-2 Service Manual

1-12 System Overview

DISK ACCESS Lamp ( )

The DISK ACCESS lamp indicates the status of the hard disk mounted in the 3.5-inch device
bay. The lamp flashes green each time access is made to the hard disk.
When the DISK ACCESS lamp turns amber, it indicates that a hard disk failure has occurred.
Check the hard disk lamp for the status of the failing hard disk.
If the DISK ACCESS lamp flashes off and on between green and amber or if the lamp turns
amber and flashes, it indicates that rebuild (reconstruction) processing is being performed for a
hard disk connected to the internal disk array controller.
IMPORTANT:
controller, the access lamp signal cable (provided with the server) must
be connected from the disk array controller to the system board.

ACT Lamp (

)
The ACT lamp is green while the server is connected to the LAN. The lamp flashes while the
server is accessed via the LAN (during transmission/reception of packets). The number next to
the icon indicates the network port number.
Disk access Lamp
The disk access lamp of the floppy disk drive or CD-ROM drive is on while the drive is
accessed.
If a hard disk in the server is connected to a disk array