Doubts about OP_FAN, CHA_FAN and CPU_FAN
I'm about to buy a motherboard ASUS Z87 DELUXE. I'm new to this, but I would like to know the differences between OPT_FAN, CPU_FAN and CHA_FAN. The only thing I know is that one of them can be controlled by the BIOS, but is there any other difference...