53
Chapter 4: Motherboard Connections
4.2 Front Control Panel
JF1 contains header pins for various buttons and indicators that are normally located on a
buttons and LED indicators.
12V 8-pin CPU Power Connectors
Two 8-pin 12V power connectors (JPW11/JPW12) are located on the motherboard to provide
12V 8-pin Power
Pin Denitions
Pin# Denition
1 - 4 Ground
5 - 8 +12V
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
Power Button
Pin Denitions (JF1)
Pins Denition
1 Signal
2 Ground
UID LED
NIC1 Active LED
HDD LED
PWR LED
3.3V Stby
3.3V Stby
Ground
Ground
3.3V Stby
Ground
Power Fail LED
NIC2 Active LED
NMI
3.3V
3.3V
OH/PWR Fail/Fan Fail LED
Power Button
Reset Button
x
x