SC523 Chassis Manual
4-4
4-4 Drive Carrier LEDs
Your chassis uses SAS/SATA or SCSI drives, but not both.
SAS/SATA Drives
Each SAS/SATA drive carrier has two LEDs.
Green:
Each Serial ATA drive carrier has a green LED. When illuminated, this
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:
The red LED to indicate an SAS/SATA drive failure. If one of the SAS/SATA
drives fail, you should be notified by your system management software.
SCSI Drives
This chassis does not support SCSI drives at this time.
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Power:
Indicates power is being supplied to the system's power supply units.
This LED should normally be illuminated when the system is operating.
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HDD:
Indicates IDE channel activity. SAS/SATA drive, SCSI drive, and/or DVD-
ROM or CD-ROM drive activity when flashing.
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