Template:RK3399 Linux PWMFan/zh

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散热风扇的速度设置

散热风扇使用PWM来实现自动调速，想要改变风扇的调速行为，请修改以下文件：

/usr/bin/start-rk3399-pwm-fan.sh

需要禁止开机自动启动风扇（比如你需要连接其他的PWM设备），请输入以下命令：

systemctl stop pwm-fan
systemctl disable pwm-fan

或者删除下面这两个文件：

/etc/systemd/system/pwm-fan.service
/etc/systemd/system/multi-user.target.wants/pwm-fan.service
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