Asus Xeon 5U Rackmount Server AP1720-E1 - Manual (Page 16)

Chapter 1: Product introduction 1-8
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.
!
Power LED (blue)
HDD Access LED (green)
Message LED (red)
Drive status LED (green/red)
Drive activity LED
*SCSI Access Fault-Tolerant Enclosure
LED Icon Display status Description
System
Power LED ON System power ON
Blinking 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 Bridge board connected to backplane
Installed HDD is in good condition
Red HDD failure
Red-Blinking HDD rebuilding using the RAID card
SAF-TE* function
Drive Activity LED Blinking Read/write data into the HDD
!