Hi there, well I bought this Computer. Gigabyte ga-z77x-d3h , i5 3570k, corsair 2x4gb 1600 mhz, Fan cooler cooler master n520, asus gtx 560 directcu ii OC, corsair psu 650w enthusiast series. Well all working excellente but there is a problem between the fan cooler and the bios or mobo idk.Well I have a cooler master hyper N520 fan cooler, I connected his 3 pin fan cable to the Cpu_fan and when I enter to the bios to see how much RPM is the fan cooler, show me that is 0 rpm and the fan cooler work perfect, it runs great. I have another 3 fans cooler to cool the case, and the bios show me correctly those RPM but the cpu fan doesn't, and i really want to know how much RPM its the fan cooler doing, so anybody noes how to resolver that problem, my motherboard is the gigabyte ga-z77x-d3h rev 1.1 with F15 bios version. Thanks.