
CPU_FAN1/2 and SYSFAN1/2/3/4: 
1
GND
+1 2V
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 Tac ho me ter
PWM
Use these headers to connect the cooling fans to the motherboard to keep the system stable and reliable.
This connector supports the tachometer monitoring and auto fan speed control.
Pin 1  | Pin 2  | Pin 3  | Pin 4  | 
GND  | +12V  | Tachometer  | PWM  | 
SYSFAN5/6: 3-pin  Fan Connector
GN D
+12V
Ta ch omete r
1
Use these headers to connect the cooling fans to the motherboard to keep the system stable and reliable.
This connector supports the tachometer monitoring.
Pin 1  | Pin 2  | Pin 3  | 
Tachometer  | +12V  | GND  | 
SYSFAN7: 4-pin  CPU Fan Connector
Use these headers to connect cooling fans to the motherboard to keep the system stable and reliable.
Pin 1  | Pin 2  | Pin 3  | Pin 4  | 
GND  | +12V  | NC  | NC  | 
14
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