ASRock X470 Taichi Fan problem
Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=10350
Printed Date: 04 Jun 2026 at 7:04am Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: ASRock X470 Taichi Fan problem
Posted By: funny1313
Subject: ASRock X470 Taichi Fan problem
Date Posted: 08 Dec 2018 at 4:48pm
hello,
i have a problem with the CHA Fan 3. I use a PWM Fan, and the control in Bios works great. But in Windows, the FAN regulates too fast. When I open a new task in Chrome the Fan goes up dand down, or starting a game, its alway been on 2000RPM. I think the Temp Sensor working not right. I set to CPU Temp, MB Temp, nothing help. In Bios, i set the Fan to a maximum of 10%, but in Windows it is still too fast.
I have the latest bios (1.50) Fan ist a NB e-Loop PWM
sorry for my english, I hope you can understand me.
greeting
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Replies:
Posted By: texoM78
Date Posted: 17 Apr 2019 at 2:19am
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Got this same problem whit bios 2.0 in bios all working well but after windows login fan3 speed up to high rpm. any solution for this guys?
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Posted By: bukowa
Date Posted: 19 Apr 2026 at 10:41am
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I have the same problem still on newest bios :)
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Posted By: Xaltar
Date Posted: 19 Apr 2026 at 6:35pm
Thanks for the info bukowa, it looks like some kind of bug with the fan controller on that board. It may be worth opening a support ticket with ASRock and asking them directly: http://tw.asrock.com/events/tsd.asp
I haven't seen this issue reported here in large numbers so it could just be a batch of boards that had a defective controller.
Let us know what reply you get from ASRock, good luck 
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Posted By: bukowa
Date Posted: 19 Apr 2026 at 8:12pm
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Thanks! I already sent an e-mail.
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