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Chapter 3: Motherboard Connections
3.5 LED Indicators
LAN1~4 LEDs
Each Ethernet port on the I/O back panel has two LEDs. One LED indicates activity when
flashing while the other LED may be green, amber or off to indicate the speed of the
connection. Refer to the tables below for more information.
LAN Activity LEDs (Left)
LED State
Color
Status
Definition
Yellow
Flashing
Active
LAN Link LEDs (Right)
LED State
LED Color
Definition
Off
No Connection
Amber
1 Gbps
Green
100 Mbps
Onboard Power LED
LED3 is an Onboard Power LED. When this LED is lit, it means 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 before removing or installing components. Refer to the table below
for the LED status.
Onboard Power LED Indicator
LED Color
Definition
Off
System Off
(power cable not
connected)
Green
System On
