## PWM Fan

Please kindly review the [pwm pages](/helios4/pwm) from the Helios4 device.
Basically the PWM mechanisms of Helios64 board is same with Helios4.

---TBU---

### Fan Specification in Helios64

Coming Soon.

### Use Case in Linux

Coming Soon.

!!! Notes
       RPM readings in the PWM fans is not available in Helios64 board.