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Chapter 4: Motherboard Connections
4.5 LED Indicators
LAN LEDs
Two LAN ports are located on the rear I/O panel of the motherboard. Each Ethernet LAN port
has two LEDs. The yellow LED indicates activity, while the Link LED may be green, amber,
or off to indicate the speed of the connection.
LAN Activity LED (Right)
LED State
Color
Status
Definition
Yellow
Flashing
Active
LAN Link LED
LED State
LED Color
Definition
Off
No Connection/10 Mbps/100 Mbps
Amber
1 Gbps
Green
10 Gbps
Onboard Power LED Indicator
LED State
LED Color
Definition
Off
System off
On
System on
Onboard Standby Power LED Indicator
LED State
LED Color
Definition
Off
Power supply is off (hard switch)
On
Power supply is on (hard switch)
Onboard Power LED
An onboard Power LED is located at LED1. When LED1 is on, the AC power cable is
connected. Make sure to disconnect the power cable before removing or installing any non
hot-swap components.
Onboard Standby Power LED
An onboard Standby Power LED is located at LED3. When LED3 is on, the AC power cable
is connected and the power supply hard switch is on. Make sure to disconnect the power
cable before removing or installing any component.