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Old 09-03-2018, 12:46 PM
c-attack c-attack is offline
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You can certainly run it off the CPU. The only thing you need is the SATA for power. The motherboard 3 pin header will report half the pump speed. Other than that, its only use is to defeat the CPU boot error mechanism. That also would be another way to check pump speed -- the any BIOS reading of the H115i should show either (~1000 rpm for the low or ~1500 for the high speed). However, given you mentioned the initial CPU fan warning, that likely means the board can't see the device and there is a definite electrical failing inside the unit.

*You should be able to feel vibration from the pump head if it is actually spinning.
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