Get speedfan, go into the config button on the top.
Go to advanced
Choose IT8728F at $290 on ISA
Where it says
PWM 1 mode, change it to software controlled
PWM 2 mode, Do the same
PWM 3 Set it to ON/OFF
If you want it to stay, click remember it and click okay
If you want to change fan speeds click the up arrow on the top right Pwm.
www.almico.com/speedfan.php