NA121
Motherboard
16
Jumper Introduction
cont….
FAN1: System FAN
FAN2: CPU FAN
FAN3: Chassis FAN
Front Side Audio header (CN9)
Pin
Description
1
Micro Phone out
2 GND
3
Micro Phone Vref
4 Audio
VDD
5
AC97’ right out
6
Ph Jack right out
7 NC
8 Key
9
AC97’ left out
10
Ph Jack left out
Pin
Description
1 GND
2
Fan Ctrl (+12V)
3 Fan
Sensor
Pin
Description
1 GND
2
Fan Ctrl (+12V)
3 Fan
Sensor
Pin Description
1 GND
2
Fan Ctrl (+12V)
3 Unused
2
1