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You would think that such a splitter connected to the right fan port would control the pump and fans such that the pump is running at the appropriate speed for the appropriate temperature.īut that's just what I remember, and if I'm wrong - I plead "not guilty." How this might play out using a PWM splitter, I cannot say. One is able to adequately control pumps, and the other one isn't. I couldn't be sure about the Gigabyte boards, but I'd come across mention of an ASUS board and an AIO cooler recently - probably a Corsair.Īs I recall (my caveat to what I actually remember), the issue was resolved by using a different CPU_FAN header - if there are indeed two: CPU_FAN and CPU_FAN_OPT.
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