Chapter 5: Advanced Serverboard Setup

5-11 Onboard Indicators

LAN1/2 LEDs

The Ethernet ports (located beside the VGA port) have two LEDs. On each port, one LED indicates activity while the other LED may be green, amber or off to indicate the speed of the connection. See the table on the right for the functions associated with the connection speed LED.

Onboard Power LED (LE1)

An Onboard Power LED is located at LE1. This LED Indicator is lit when the system is on. Be sure to unplug the power cable before removing or adding any components. See the table on the right for more details.

SAS LEDs

Two SAS LEDs are designated LES1 and LES2. When illuminated, these LEDs indicate activity on the SAS ports.

LAN1/2 LED

(Connection Speed Indicator)

LED Color

 

Definition

Off

 

10 MHz

 

Green

 

100 MHz

 

Amber

 

1 GHz

 

 

 

 

Onboard PWR LED Indicator

(LE1)

LED Color

 

Definition

Off

 

System Off

 

Blinking

 

Standby

 

On

 

System On

 

 

 

 

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SUPER MICRO Computer SERIES3800, S120T user manual Onboard Indicators, LAN1/2 LEDs, Onboard Power LED LE1, SAS LEDs