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Chapter 4: Motherboard Connections
Reset Button
Pin Definitions (JF1)
Pin#
Definition
3
Reset
4
GND
Reset Button
The Reset Button connection is located on pins 3 and 4 of JF1. Attach it to a hardware reset
switch on the computer case to reset the system. Refer to the table below for pin definitions.
Power Fail LED
The Power Fail LED connection is located on pins 5 and 6 of JF1. Refer to the table below
for pin definitions.
Power Fail LED
Pin Definitions (JF1)
Pin# Definition
5
3.3V
6
PWR Supply Fail
Ovearheat/Fan Fail and UID LED
Connect an LED cable to pins 7 and 8 of the Front Control Panel to use the Overheat/Fan
Fail LED connections. The LED on pin 8 provides warnings of overheat or fan failure. Refer
to the tables below for pin definitions.
OH/Fan Fail Indicator
Status
State Definition
Off
Normal
On
Overheat
Flashing Fan Fail
OH/Fan Fail LED
Pin Definitions (JF1)
Pin# Definition
7
UID LED (Blue)
8
OH/FAN Fail LED
