X399 Taichi fan speed control keeps resetting

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   I have a X399 Taichi board with a Threadripper 1950X on BIOS version 3.50 (the most recent). OS is Windows Server 2016.

Whenever I apply a custom fan speed control curve to any of the connected fans, either through the UEFI GUI or the A-Tuning application in Windows Server, the change takes effect but but then reverts itself back to the original default configuration between 20 minutes and 2 hours later. The delay between the custom configuration being applied and the reset to default seems to be random. 

Is there a way to make it so a custom fan speed control curve can be saved and keep it from reverting back to default?

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Gimli Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 10 May 2019 Status: Offline Points: 13	Post Options Post Reply Quote Gimli Report Post Thanks(0) Quote Reply Topic: X399 Taichi fan speed control keeps resetting Posted: 10 May 2019 at 6:19pm
	I have a X399 Taichi board with a Threadripper 1950X on BIOS version 3.50 (the most recent). OS is Windows Server 2016. Whenever I apply a custom fan speed control curve to any of the connected fans, either through the UEFI GUI or the A-Tuning application in Windows Server, the change takes effect but but then reverts itself back to the original default configuration between 20 minutes and 2 hours later. The delay between the custom configuration being applied and the reset to default seems to be random. Is there a way to make it so a custom fan speed control curve can be saved and keep it from reverting back to default?

Gimli Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 10 May 2019 Status: Offline Points: 13	Post Options Post Reply Quote Gimli Report Post Thanks(0) Quote Reply Posted: 18 Oct 2019 at 10:14pm
	This is still happening with BIOS version 3.80.

Ray62 Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 01 Jul 2018 Location: Germany, Berlin Status: Offline Points: 706	Post Options Post Reply Quote Ray62 Report Post Thanks(1) Quote Reply Posted: 19 Oct 2019 at 7:21pm
	This problem is often told with different AM4/TR4 boards. I would completely deinstall the A-Tuning SW and only use the bios for the fan control. After removing the A-Tuning SW, go to the bios and select default FAN settings, save and restart to bios and than apply your control curve. In any case, i would not mix bios settings with tool settings under the OS. Just for info, a bit similar: https://forums.aida64.com/topic/4168-aida64-kernel-driver-locks-cpu-fan-speed-asrock-x399-taichi-asus-zenith-extreme/
	Asrock Fatal1ty X370 Professional Gaming Offline Under test: MSI X570_MEG_ACE \| AMD Ryzen 9 3900X \| Scythe Mugen5 \| 2x16GB F4-3200C14D-32GTZ@3466 \| ASUS GeForce GTX 1080 Ti FE

Gimli Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 10 May 2019 Status: Offline Points: 13	Post Options Post Reply Quote Gimli Report Post Thanks(0) Quote Reply Posted: 25 Oct 2019 at 6:09pm
	Thank you for that link Ray, never found it before but the solution in it (i.e. uninstalling Asrock A-Tuning and disabling "load kernel driver" in Aida64) solved the problem.