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Chapter 1: Product introduction
1-10
1.6 LED information
The barebone system comes with five LED indicators. Refer to the
following table for the LED status description.
• The Power, HDD Access, and Message LEDs are visible even if
the system front bezel is closed.
• For AA4 configuration:
1. The Drive Activity LEDs do not light up
2. The Drive Status LEDs only light up green to indicate that the
installed Serial ATA HDD is in good condition.
!
Power LED (blue)
HDD Access LED (green)
Message LED (red)
Drive Status LED (green/red)
Drive Activity LED (green)
* For SCSI models only (AS8/AS4)
** SCSI Access Fault-Tolerant Enclosure (on AS8/AS4 models only)
LED Icon Display status Description
System
Power LED ON System power ON
Blinking System is in suspend mode
HDD Access LED OFF No activity
Blinking Read/write data into the HDD
Message LED OFF System is normal; no incoming event
Blinking ASMS indicates a HW monitor event
Hard disk drives
Drive Status LED Green Installed HDD is in good condition
Red HDD failure
Red and Green HDD rebuilding using the RAID card
blinking alternately* SAF-TE** function
Drive Activity LED Blinking Read/write data into the HDD
!