SUPER MICRO Computer H8DMT Onboard Indicators, InfiniBand Port Enable/Disable, LAN1/LAN2 LEDs

H8DMT/H8DMT-IBX/H8DMT-F/H8DMT-IBXF User’s Manual

InfiniBand Port Enable/Disable

JIB1 enables or disables the InfiniBand port on the H8DMT/H8DMT-IBX Serverboards. The default position is on pins 1 and 2 to enable the port. See the table below for jumper settings.

Jumper Setting	Definition
Pins 1-2	Enabled
Pins 2-3	Disabled

2-8 Onboard Indicators

LAN1/LAN2 LEDs

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

LED Color	Definition
Off	10 MHz
Green	100 MHz
Amber	1 GHz

Power LED

DP4 is an Onboard Power LED. When this LED is lit, it means power is present on the serverboard. Be sure to turn off the system and unplug the power cord(s) before removing or installing components. See the table below for Power LED state status information.

State	State Status
On	Standby power present on
	motherboard
Off	No power connected

InfiniBand LED Indicators

Two InfiniBand LED indicators (LE2/LE3) are located near the InfiniBand port of the H8DMT/H8DMT-IBX Serverboards. The green LED (LE2) is the InfiniBand link LED while the yellow LED (LE3) indicates activity. Refer to the tables below for details.

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