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Old 06-29-2019, 04:31 PM
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Originally Posted by c-attack View Post
Right. The problem is each of those PWM LL fans also has a tach and PWM wire in the same place. The controller should not care what's on the other end. If there is a controller issue, it should be the same result for all of them when on #6 or the pump should be read on a different header if the #6 header is the defective. Your problem looks like a tach wire issue on the pump, except that it is then read and controlled through the motherboard header. Not really sure what to suggest at this point since the troubleshooting is leading us in circles --- aside from continuing to use the motherboard as the control source.
This evening I tried to plug it on the motherboard again. This time, the motherboard also doesn't show me RPM. But the motherboard change the pump speed in function of CPU temperature. It's really strange ...
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