SOYO SY-7VMA-B User Manual page 44

Hardware Installation
(2) Chassis Cooling Fan
Some chassis also feature two cooling fans. This Motherboard features
two CHAFAN1/CHAFAN2 connectors to provide 12V power to the
chassis fan. Connect the cable from the chassis fan to the CHAFAN 3-pin
connector. Install according to the following pin assignment:
Chassis Cooling Fan
CHAFAN1 Pin Assignment
1
2
3
Note: CPUFAN must be installed for this Motherboard, CHAFAN is
optional.
GND
12V
SENSOR
40
Chassis Cooling Fan
CHAFAN2 Pin Assignment
1
2
3
SY-7VMA-B
GND
12V
NONe