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LED Description
Front Panel LED Indicator
23
4
1
5
6
No Indicator
1 Power
status
2 System ID
3 System
status
4 HDD
activity
Color State Description
Green On System has power applied to it
or ACPI S0 state
Green Blink System is in ACPI S1 state
(sleep mode)
N/A Off System is not powered on or in
ACPI S5 state (power off)
System is in ACPI S4 state
(hlbernate mode)
Blue On System identification is active
Off System identification is disabled
Green On Running or normal operation
Green Blink System degraded due to CPU or
DIMM error
Amber On Critical or non-recoverable
condition (Power module or
voltage power supply failure
or critical temperature)
Amber Blink Non-critical condition
N/A Off System not ready
May indicate the following:
POST error
NMI event
Processor or terminator
missing
Green Blink HDD access
N/A Off No access