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风扇自动控制接口定义

风扇自动控制接口定义. 2013.11.27. 接口定义. Pin1 : FAN_PWM ( 风扇控制 ) Pin2 : GND ( 地 ) Pin3 : GND ( 地 ) Pin4 : NC ( 没有信号连接 ) Pin5 : Key ( 防呆 ) Pin6 : NC( 没有信号连接 ). 俯视图. 主板 CPU 4Pin FAN 的定义. Pin1 : GND ( 地 ) Pin2 : 12V ( 电源 ) Pin3 : FAN_TACH ( 转速侦测 ) Pin4 : FAN_PWM ( 风扇控制 ). 俯视图.

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风扇自动控制接口定义

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  1. 风扇自动控制接口定义 2013.11.27

  2. 接口定义 Pin1:FAN_PWM (风扇控制) Pin2:GND (地) Pin3:GND (地) Pin4:NC (没有信号连接) Pin5:Key (防呆) Pin6: NC(没有信号连接) 俯视图

  3. 主板CPU 4Pin FAN的定义 Pin1:GND (地) Pin2:12V (电源) Pin3:FAN_TACH (转速侦测) Pin4:FAN_PWM (风扇控制) 俯视图

  4. 主板CPU FAN和小板接口的连接

  5. 风扇调速说明 5pin接口空出,即关闭风扇调速功能,风扇全速运转; 线将风扇控制板端的pin1和主板fan connector的pin4连接,风扇控制板端的pin2和主板fan connector的pin1连接,即可开启风扇转速自动调节功能。

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