Asus RS160-E5 - Manual (Page 18)

Chapter 1: Product introduction 1-8
1.7.3 HDD status LED
SATAII/SAS HDD LED Description
HDD
Status
LED
GREEN ON SATAII/SAS HDD power ON
RED ON SATAII/SAS HDD not present
RED Blinking
1. HDD has failed and should be
swapped immediately (slow blinking,
2 times/sec)
2. RAID rebuilding (fast blinking,
10 times/sec)
HDD
Activity
LED
GREEN Blinking Read/write data from/into the SATAII/
SAS HDD
HDD Status LED
HDD Activity LED
When use ICH9R Intel Matrix Storage RAID, HDD LEDs will not work.