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Chapter 4: Motherboard Connections
4.5 LED Indicators
LAN LEDs
Six LAN ports (LAN1~6) are located on the back I/O panel of the motherboard. Each Ethernet
LAN port has two LEDs. The yellow LED indicates activity, while the other Link LED may be
green, amber, or off to indicate the speed of the connection. Refer to the tables below for
more information.
LAN Activity LED for 1GbE (Left)
LED State
Color
Status
Definition
Yellow
Flashing
Active
LAN Link LED for 1GbE (Right)
LED State
LED Color
Definition
Off
No Connection/10Mbps
Amber
1 Gbps
Green
100 Mbps
LAN Link LED for 10GbE (Right)
LED State
LED Color
Definition
Off
No Connection
Amber
1 Gbps
Green
10 Gbps
LAN Activity LED for 10GbE (Left)
LED State
Color
Status
Definition
Yellow
Flashing
Active
IPMI LAN LEDs
In addition to LAN ports, an IPMI LAN is also located on the I/O back panel. The amber
LED on the right 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
Activity LED
Link LED
LAN 1/LAN 2
IPMI LAN
(X8ST3-F)
IPMI LAN LEDs
Color/State
Definition
Link (left)
Green: Solid
Amber: Solid
100 Mbps
1Gbps
Activity (Right)
Amber: Blinking
Active
BMC Heartbeat LED
A BMC Heartbeat LED is located at LEDM1 on the motherboard. When LEDBMC is blinking,
the BMC is functioning normally. Refer to the table below for more information.
BMC Heartbeat LED Indicator
LED Color
Definition
Green:
Blinking
BMC Normal
