Hi guys,I need advice on where to connect pwm pump cable on motherboard? I tried to connect it to CPU OPT fan header but it seams that than pump doesn't even spin...But when I disconnet it from that header it works at 100% with no problem .So whats the problem? Motherboard in question is Aorus gaming 9 Z270 ,ekwb D5 pwm pump.Thanks in advance for your help.