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Front Panel LED Indicator
No
Indicator
1
Power
status
2
System ID
3
System
status
4
HDD
activity
Color
State
Green
On
Green
Blink
N/A
Off
Blue
On
Off
Green
On
Green
Blink
Amber
On
Amber
Blink
N/A
Off
Green
Blink
N/A
Off
3 1
6
5
4
3
Description
System has power applied to it
or ACPI S0 state
System is in ACPI S1 state
(sleep mode)
System is not powered on or in
ACPI S5 state (power off)
System is in ACPI S4 state
(hlbernate mode)
System identification is active
System identification is disabled
Running or normal operation
System degraded due to CPU or
DIMM error
Critical or non-recoverable
condition (Power module or
voltage power supply failure
or critical temperature)
Non-critical condition
System not ready
May indicate the following:
POST error
NMI event
Processor or terminator
missing
HDD access
No access
LED Description
2
1
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