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Chapter 4: Motherboard Connections
Control Panel
JF1 contains header pins for various buttons and indicators that are normally located on a
buttons and LED indicators.
Front Control Panel LEDs
Reset Button
Pin Denitions (JF1)
Pin# Denition
3 Reset
4 Ground
Power Button
Pin Denitions (JF1)
Pin# Denition
1 Signal
2 Ground
Power Button
The Power Button connection is located on pins 1 and 2 of JF1. Momentarily contacting both
is in suspend mode, press the button for 4 seconds or longer. Refer to the table below for
Reset Button
The Reset Button connection is located on pins 3 and 4 of JF1. Attach it to a hardware reset
Power Fail
The Power Fail LED connection is located at pins 5 and 6. Refer to the table below for pin
Power Fail LED
Pin Denitions (JF1)
Pin# Denition
5 3.3V
6 Power Fail LED