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H12SSG-AN6 User's Manual
Power LED
The Power LED is designated as LED2 on the motherboard. When this LED is lit, it means
that power is present on the motherboard. In suspend mode, this LED will blink on and off.
Be sure to turn off the system and unplug the power cord(s) before removing or installing
components.
Onboard Power LED Indicator
LED Color
Definition
Off
System Off (power cable not connected)
Green
System On
M.2 Active LEDs (LED4 and LED5)
The M.2 Interface Detection LEDs indicate that an M.2 interface is detected, active and
working correctly on either M.2-B1 (LE1) or M.2-A1 (LE2).
Note:
M.2 SATA devices are not supported, but these LEDs turns on (green light) when they
are installed.
M.2 Active
LED Indicator
LED Color
Definition
Off
Off (Normal)
Green
On (Device active or a M.2 SATA device detected)
BMC Hearbeat LED (LEDM1)
A BMC Heartbeat LED is located at LEDM1 on the motherboard. When this LED is blinking,
the BMC is functioning normally. See the table below for more information.
BMC Heartbeat
LED State
Color
State
Definition
Green
Solid On
BMC is not ready
Green
Blinking
BMC Normal
Green
Fast Blinking
BMC: Initializing
UID LED Indicator (LED1)
The rear LED1 is located next to the UID switch. The front UID LED is located on the front
panel. When you press the UID switch, both rear LED1 and front UID LED indicators will
turn on. Press the UID switch again to turn off the LED indicators. Use this UID Indicator to
'mark' the system, so the system can be easily identified whether on the front or back (e.g.,
a system rack with multiple units installed).
UID LED
LED Indicator
Color
State
Definition
Blue
Solid On
Unit Identified
None
Off
UID Off
