Hello, I have a little problem, so my CaseFans in the Bios can't go under 60%. I want to set them without the AsusSuiteIII under 60% in Bios, but there the minimum is 60%. What can I do now?

My System: ASUS Z87-Deluxe || Intel i7 4770K 4,5Ghz @1,19V || Kühler (H2O): NZXT Kraken X60 || Inno3D GeForce GTX 780 iChill HerculeZ X3 Ultra || Corsair DIMM 16 GB DDR3-1600 || BeQuiet Dark Power Pro 10 550W || Samsung 840 EVO 250GB || Phanteks Enthoo Primo Big Tower || Windows 8.1 Pro