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Old 22-02-17, 03:55 AM
Turon Turon is offline
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ML140 Controller



I wonder what software they used to control the fans' RPM? I have same fans and connected to a pwm in my motherboard but whenever I try to control tje tpm with Fan Xpert 3 the LED brightness also change..

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Old 22-02-17, 08:25 AM
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Tolemac Tolemac is offline
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Originally Posted by Turon View Post


I wonder what software they used to control the fans' RPM? I have same fans and connected to a pwm in my motherboard but whenever I try to control the rpm with Fan Xpert 3 the LED brightness also change..
The brightness will change as the motherboard is putting less volts to the fans when you adjust the speed
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Old 22-02-17, 09:51 AM
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Lazlo Lazlo is offline
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The brightness will change as the motherboard is putting less volts to the fans when you adjust the speed
PWM fans should run on constant voltage. That's the purpose of PWM.
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Old 22-02-17, 12:41 PM
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Davva2004 Davva2004 is offline
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Is your motherboard fan control set to voltage or pwm? Also, check your motherboard manual as some fan headers are not true pwm, you want pinouts that say 12v, ground, rpm and speed control. If any of the pinouts are ground, power, rpm and reserved then even though it's a four pin header it's not pwm.
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