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8 Intel® Server Chassis SC5400 User’s Guide
Descriptions of the front control panel LEDs are listed in the following table. See your
server documentation for functionality of buttons.
Table 5. Front Control Panel LED Descriptions
LED Name Color Condition Description
Power LED Green On Power on
Off Power off
Status Green On System ready
Blink System ready, but degraded: some CPU fault,
DIMM killed
Green/Blink
Amber
Blink Condition during BMC reset.
Amber On Critical alarm: critical power module failure, critical
fan failure, voltage (power supply), voltage and
thermal fault
Blink Non-critical failure: redundant fan failure,
redundant power failure, non-critical power and
voltage
Off System not ready: POST error/NMI event/PCI or
terminator missing
Hard drive
activity
Green Blink Hard drive activity
NIC1 activity Green On Linked
Blink LAN activity
Off Idle
NIC2 activity Green On Linked
Blink LAN activity
Off Idle
ID LED (rack
only)
Blue Blink Server identification; toggled by ID button or
software
Off Server identification; toggled by ID button or
software