Chapter 3: System Interface
Power
Indicates power is being supplied to the system's power supply unit. This LED should normally be illuminated when the system is operating.
3-4 SATA Drive Carrier LEDs
Each SATA drive carrier has two LEDs.
•Green: When illuminated, the green LED on the front of the SATA drive carrier indicates drive activity. A connection to the SATA backplane enables this LED to blink on and off when that particular drive is being accessed.
•Red: There is no function associated with the red LED.
