Supermicro SuperServer E300-9D - LED Indicators

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Chapter 3 Motherboard Connections
3.5 LED Indicators
Watch Dog
JWD1 controls the Watch Dog function. Watch Dog is a monitor that can reboot the system
when a software application hangs. Jumping pins 1-2 will cause Watch Dog to reset the system
if an application hangs. Jumping pins 2-3 will generate a non-maskable interrupt signal for
the application that hangs. Watch Dog must also be enabled in BIOS.
Note: When Watch Dog is enabled, users need to write their own application software to
disable it.
Watch Dog
Jumper Settings
Jumper Setting Denition
Pins 1-2 Reset (Default)
Pins 2-3 NMI
Open Disabled
LAN LEDs
Two LAN ports (LAN1, LAN2) are located on the I/O back panel. Each Ethernet LAN port has
two LEDs. The green 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 LEDs (Left)
LED State
Color Status Denition
Yellow Flashing Active
LAN Link LEDs (Right)
LED State
LED Color Denition
Off No Connection
Amber 1 Gbps
Green 10 Gbps