
Chapter 3: System Interface
HDD: Indicates hard drive activity. On the SuperServer
Power: Indicates power is being supplied to the system's power supply module(s). With the
3-4 Serial ATA Drive Carrier LED
Each Serial ATA drive carrier has a green LED. When illuminated, this green LED (on the front of the Serial ATA drive carrier) indicates drive activity. A connec- tion to the Serial ATA backplane enables this LED to blink on and off when that particular drive is being accessed.
Note: The second LED on the SATA carriers is not used.