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Chapter 4: Motherboard Connections
Power LED
The Power LED is located at LE3 on the motherboard. When this LED is on, the system is
on. Be sure to turn off the system and unplug the power cord before removing or installing
components. Refer to the table below for more information.
Onboard Power LED Indicator
LED Color
Definition
Off
System Off
(power cable not
connected)
Green
System On
M.2 LED
An M.2 LED is located at LE4 on the motherboard. When LE4 is blinking, M.2 functions
normally. Refer to the table below for more information.
M.2 LED State
LED Color
Definition
Green: Blinking
Device Working
BMC Heartbeat LED
A BMC Heartbeat LED is lcoated at LEDBMC on the motherboard. When LEDBMC is blinking,
the BMC is functioning normally. Refer to the table below for more information.
BMC Heartbeat LED Indicator
LED Color
Definition
Green: Blinking
BMC Normal
