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Taichi x370 - Fan doesn't work automatically?
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mrpepelepeu View Drop Down
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    Posted: 02 Jun 2017 at 12:39am
Hi there,

I have a Taichi x370 with a ryzen 1800x.
I noticed that no matter what the temperature of the cpu is, the fan speed remains constant, even when overclocking. 

Shouldn't the cpu fan, at least, increase the speed when the temps go up?

Thanks.
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mrpepelepeu View Drop Down
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Points: 20 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mrpepelepeu Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jun 2017 at 12:42am
Edit: I have a noctua NH D15 SE AM4
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AlbinoRhino View Drop Down
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Have you set a fan curve in your Bios?
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parsec View Drop Down
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Originally posted by mrpepelepeu mrpepelepeu wrote:

Edit: I have a noctua NH D15 SE AM4


What fan connectors on the board are you using for your CPU cooler's two fans?

As said above, have you configured the fan speed control software in the UEFI/BIOS in the HW Monitoring screen?
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mrpepelepeu View Drop Down
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Points: 20 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mrpepelepeu Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jun 2017 at 9:56pm
I resolved the problem.

It seems that the fan speed is controlled by the CPU temp on the sensor on the motherboard, not the CPU.

Even when I use Ryzen Master as a reference for temps (which +20 Celsius that comes the Ryzen 7) , the temperatures set on the Bios never kick in. 
This is because the temps on the sensor on the motherboard are way much lower than on the processor.

I used the custom option with temps set much lower than what Ryzen Master shows. Now it works.

My opinion is that the motherboard's presets should consider this from factory.

Thank you.
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lquang4321 View Drop Down
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It sucks that it works based on a sensor other than the one inside the die. This is detrimental when the load is inconsistent and spikes randomly. I tried OCCT stress test and the cpu temp spiked to 80C instantly while the fan is still spinning on idle. After 30 seconds of hovering around near thermal shutdown limit, the fan finally kicks in once the socket sensor is heated up. That's the only issue with this motherboard. I swapped my old Tomahawk for this because of all the hardware improvement, but seems like bios is still weaker than my previous board. I still have 13 days left to return this board, probably will when C6H is in stock.
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