noduplicates Posted December 8, 2010 Share Posted December 8, 2010 I have a bizarre situtation. My PC case has a fan controller with mutiple 3 pin fan connections and an external speed control knob. I have attached two auxiliary fans to it. The other front, rear and CPU fans are attached to 3 pin connectors on the MB. When I use the fan controller to reduce fan speed (noise), the auxiliary fans AND the CPU fan slow. Of course, CPU temp goes up. My brand new HX650W is connected to the fan controller using a standard 4 pin molex power connector direct from the PSU. Nothing else is attached to this power cable. Why would this happen? How can I fix it? Thank you..........Steve Specs: Lian-Li PC-V354 case HX-650W Intel DP55SB MB (micro-atx) Intel I5-760 4GB RAM 1TB RAID1 Link to comment Share on other sites More sharing options...
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