CHA_FAN1 can't control 3-pin fans but PWM fans, however CHA_FAN2&3 can control both on my ASRock X370 Killer SLI | Overclock.net
![Anyone is using Asrock F Stream Tuning software for fan control? Mine won't save the fan curve after a reboot. : r/buildapc Anyone is using Asrock F Stream Tuning software for fan control? Mine won't save the fan curve after a reboot. : r/buildapc](https://external-preview.redd.it/ZSBocAAFYKlGcPuRcRjiwd4IJ9FCwxJnKb6C1RC224c.png?width=640&crop=smart&auto=webp&s=b44ba43096c8a9d396ca7a803c0b565bda028972)
Anyone is using Asrock F Stream Tuning software for fan control? Mine won't save the fan curve after a reboot. : r/buildapc
![ASRock x570 Creator - Malfunction of BIOS Fan-speed training leads into BIOS-freeze (V2.0+2.0.1beta) - YouTube ASRock x570 Creator - Malfunction of BIOS Fan-speed training leads into BIOS-freeze (V2.0+2.0.1beta) - YouTube](https://i.ytimg.com/vi/yj1piXZkzQY/hqdefault.jpg)