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Chapter 4: Motherboard Connections
4.6 LED Indicators
LAN1/2 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.
IPMI LAN LEDs
A dedicated IPMI LAN is also included on the motherboard. The amber LED on the right of
the IPMI LAN port indicates activity, while the green LED on the left indicates the speed of
the connection. Refer to the table below for more information.
IPMI LAN LEDs
Color
Status
Definition
Off
Off
No Connection
Green:
Solid
Link/Speed
(Left)
100 Mb/s
Amber
Blinking
Activity
(Right)
1 Gb/s
IPMI LAN
Activity LED
Link LED
LAN 1/LAN 2
IPMI LAN
(X8ST3-F)
Link LED Indicator
LED Color
Definition
Off
No Connection or 10 Mb/s
Green
100 Mb/s
Amber
1 Gb/s
Activity Indicator
Color
Status
Definition
Off
No Connection
Yellow
Flashing
Active
Activity LED
Link LED
Onboard Power LED
LED1 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(s) before removing or installing components.
Onboard Power LED Indicator
LED Color
Definition
Off
System Off
(power cable not
connected)
Green
System On
BMC Heartbeat LED
LEDM1 is the BMC heartbeat LED. When the LED is blinking green, BMC is functioning
normally. Refer to the table below for the LED status.
Onboard Power LED Indicator
LED Color
Definition
Green:
Blinking
BMC Normal
