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Chapter 4: Motherboard Connections
4.5 LED Indicators
LAN LEDs
Two LAN ports (LAN 1 and LAN 2) are located on the I/O back panel of the motherboard.
Each Ethernet LAN port has two LEDs. The solid green LED indicates activity, while the other
LED may be amber or off to indicate the speed of the connection. Refer to the tables below
for more information.
LAN Activity LED
Color
Status
Definition
Green
Flashing
Active
LAN Link LED
LED Color
Definition
Yellow/Amber
1Gbps
M.2 LED
Two M.2 LEDs are located at LE4 and LE7 on the motherboard. When the LED 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
Onboard Power LED
The Onboard Power LED is located at PWRLED 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