SUPER MICRO Computer AS 1020C-3 user manual SAS Drive Carrier LEDs

Chapter 3: System Interface

HDD: Indicates IDE channel activity. On the 1020C-3 this light indicates SAS and/or CD-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 car- rier indicates drive activity. A connection to the SAS backplane enables this LED to blink on and off when that particular drive is being accessed.

Red: The 1020C-3 features a SES2 compliant backplane that activates the red LEDs, which indicate a drive failure. Please refer to Chapter 6 for instructions on replacing failed SAS drives.

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