hyper 212 evo doesnt start up till bios in boot and runs @1100 rpm

[automaton]

when I boot the fan doesnt come on till process reaches bios also fan @1100rpm
asus sabertooth 990fx
Is it pwm where can I find it in bios?:wub:

 

[TerryMathews]

when I boot the fan doesnt come on till process reaches bios also fan @1100rpm
asus sabertooth 990fx
Is it pwm where can I find it in bios?:wub:

Look for CPU smart fan control.

 

[Jabrono]

when I boot the fan doesnt come on till process reaches bios also fan @1100rpm
asus sabertooth 990fx
Is it pwm where can I find it in bios?:wub:

Not sure about the original Sabertooth 990FX, but R2.0 requires that the CPU fan be PWM or it will run at a constant speed. Same with the CPU_OPT header.

 

[automaton]

found control in bios
constant speed is fine
thank you all for help