1.      Using the ATX 2×3 6P 12V interface, the maximum current is 20A.

2.      Supports four PWM fans with a maximum current of 5A for each fan plug.  

3.      F1~F4 ports can select the different sources (MCU/motherboard) of Duty Cycle through the jumper.  

3.1 Jumper usage example: F1 in the green box connection method,F4 uses the motherboard PWM signal source, F2,F3 uses the MCU’s PWM signal source.

4.      The curve is controlled by firmware and can be customized. The default temperature detection is performed according to the following figure for fan speed control.

5.      Fan fail action (buzzer).  
The buzzer can be  custom-enabled at BUZ_EN  using jumpers.