SOYO SY-5SSM User's Manual & Technical Reference page 35

Hardware Setup
Step 11. CPU Cooling Fan Installation
After you have seated the CPU cooling fan properly on the
processor, attach the 3-pin fan cable to the CPUFAN connector on
the Motherboard.
To avoid damage to the system, install according to the following pin
assignment:
Step 12. Chassis Cooling Fan Installation
After you have seated the Chassis cooling fan properly on the
processor, attach the 3-pin fan cable to the CHAFAN connector on
the Motherboard.
To avoid damage to the system, install according to the following pin
assignment:
CPU Cooling Fan
CPUFAN Pin Assignment
3
12V
Sensor
Chassis Cooling Fan
CHAFAN Pin Assignment
3
Sensor
12V
SY-5SSM & SY-5SSM/5 V1.1
1
2
GND
2 1
GND
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