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2-38
Setting Up the System
DISK ACCESS Lamp ( )
The DISK ACCESS lamp indicates the status of the hard disks mounted in the
3.5-inch disk bay. The lamp flashes green each time access is made to the hard
disks in your system. The location of this indicator is shown in Figure 2-35, F.
When the DISK ACCESS lamp turns amber, it indicates that a hard disk failure
has occurred. Check the hard disk lamp located on each hard disk to determine
the failing drive.
Note:
If a hard disk in the server is connected to a disk array
controller, the access lamp signal cable must be connected from the disk
array controller to the system board.
UID Switch and Lamp (UID)
Pressing the UID switch located on the front panel (see Figure 2-35, Y) toggles
the front panel UID lamp (blue) and the system board UID lamp on and off. The
system board UID lamp is visible through the rear of the chassis and allows you
to locate the server you're working on from the rear of the servers in a rack. The
location of the rear panel UID lamp is shown in Figure 2-36, N.
Disk Access Lamp
The disk access lamp of the floppy disk drive or CD-ROM drive is on while the
drive is accessed.
Hard Disk Lamp
A
Figure 2-38. Hard Disk Drive Activity Lamp
The disk lamp located on each disk in the 3.5-inch disk bay (see Figure 2-38)
indicates the following status:
!
Flashing (green) indicates that the hard disk is being accessed.
!
On (amber) indicates a failure of the hard disk in the disk array
configuration.
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