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HDD
Indicates IDE channel activity. On the 8025C-3R this light indicates SAS and/or
DVD-ROM drive activity when fl ashing.
Power
Indicates power is being supplied to the system's power supply units. This LED
should normally be illuminated when the system is operating.
3-4
SAS Drive Carrier LEDs
Each SAS drive carrier has two LEDs:
•
Green:
When illuminated, the green LED on the front of the SAS drive carrier
indicates drive activity. A connection to the backplane enables this LED to blink
on and off when that particular drive is being accessed.
•
Red:
The SES2 compliant backplane activates the red LED to indicate a drive
failure. If one of the SAS drives fail, you should be notifi ed by your system
management software. Please refer to Chapter 6 for instructions on replacing
failed SAS drives.
Chapter 3: System Interface
3-3
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