Chapter 3: System Interface
HDD
Indicates IDE channel activity. On the
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 notified by your system management software. Please refer to Chapter 6 for instructions on replacing failed SAS drives.
