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ASRock B450M BIOS fan speed

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taw_moto View Drop Down
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    Posted: 29 Nov 2021 at 2:00am
Hello,

I have an ASRock B450M with a Ryzen 3600 and I want to replace SpeedFan controls with BIOS settings.

I want to set the fan speed at lowest level until temperature reaches 80 degrees. I have a medical ear problem and I cannot tolerate the fan noise.

I set these options (sorry I cannot embed the photos even if I read the tutorial):

https://imgur.com/a/37NuIZt
https://imgur.com/a/mFB7pqz

But it seems that even if the temperature is at 75 degrees (so lower than 80), the fan is at maximum speed (~1800 RPM). And I don't understand why, because until 80 degrees the fan should work at 1% based on my settings.

Maybe I don't understand what "fan duty" means?

How should I set these options properly?

Thank you
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taw_moto View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote taw_moto Quote  Post ReplyReply Direct Link To This Post Posted: 29 Nov 2021 at 2:48am
From the GUI seems to work correctly.
https://imgur.com/a/a4at8eO

Also I don't understand why if I select SILENT mode, it goes like crazy at maximum speed.
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