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H8DMT/H8DMT-IBX/H8DMT-F/H8DMT-IBXF User’s Manual
2-8
Auxiliary Power Connector
A 4-pin 12V auxiliary power connector is included to provide power to hard drive disks.
See the table below for pin definitions.
PW_ON Connector
The PW_ON connector is on pins 1 and 2 of JF1. This header should be connected to
the chassis power button. See the table below for pin definitions.
Reset Connector
The reset connector is located on pins 3 and 4 of JF1 and attaches to the reset switch
on the computer chassis. See the table below for pin definitions.
Overheat/Fan Fail LED (OH)
Connect an LED to the OH connection on pins 7 and 8 of JF1 to provide advanced
warning of chassis overheating or fan failure. Refer to the tables below for pin definitions
and for LED status indicators.
Pin# Definition
1 +12V
2 Ground
3 Ground
4 +5V
Pin# Definition
1PW_ON
2 Ground
Pin# Definition
3 Reset
4 Ground
Pin# Definition
7Vcc
8 Control