Convention Power indicator
pattern
Condition
CAUTION: Combining AC and DC PSU is not supported and
triggers a mismatch.
D
Not lit
Power is not connected.
Hard drive indicator codes
Figure 9. Hard drive indicators
1.
hard drive activity indicator
2.
hard drive status indicator
3.
hard drive
NOTE: If the hard drive is in the Advanced Host Controller Interface (AHCI) mode, the status
indicator (on the right side) does not function and remains off.
Table 9. Hard drive indicator codes
Drive-status indicator pattern (RAID only)
Condition
Flashes green twice per second
Identifying drive or preparing for removal.
Off
Drive ready for insertion or removal.
NOTE: The drive status indicator remains off until
all hard drives are initialized after the system is
turned on. Drives are not ready for insertion or
removal during this time.
Flashes green, amber, and turns off
Predicted drive failure
Flashes amber four times per second
Drive failed
Flashes green slowly
Drive rebuilding
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