![]() Some super cheap garbage fans whom have some super cheap motor CAN sometimes override what the board is delivering and reverting it to 12V period. ![]() Sensor pin however is just a sensor, it does nothing with speed control. ![]() GigaByte has per 5% control for DC IIRC, GigaByte however HAS had issues in the past where their BIOSes were bugged out and just supplied full 12V speed to it (had it happen on multiple Z370 boards, more specifically GigaByte's ITX boards in the first few weeks of release). So, I am guessing the reason why I can't control my fans is that they are just some non-descript brand and the sensor pin is not actually working? In any case, I am not having temperature issues, this was just something curious.Yes as I'd be surprised that GigaByte (which touts fan control on all their motherboards, DC and PWM) would be unable to set them, however to be certain you'd have to check BIOS options for this, it's entirely possible GigaByte decided not to put in the effort for it.īut you cannot control them in RPM senses just %-ages. I am clarifying that and nothing else.īut it also just baffles me to think DC control is not possible according to this topic. Proper fans (not assuming random 1 USD Chinesium Fans or duds) work as I stated and not what others have stated as "100% or nothing, no control and no sensing". Sometimes as you said you need to manually set the fan in bios as DC so it "ignores" the PWM pin and actually reads from yellow (dunno why but it happened at least one time) and most of the times it's with a generic unheard brand that doesn't make things "standard" the yellow cable can be just a doodad and not actually be connected and the fan would work regardless.Īnyway, it happened, even if it shouldn't.Of course shite happens with fans, you have duds regardless of brands.īut that's not the standard behaviour of how 3-pin DC fans act.Īs it was stated in this topic people are under the impression that it is. ![]() I found from direct experience that sometimes mobos show the incorrect RPM and or 0 rpm even if the an is actually spinning - i don't know the reason and i fully agree with you that is the standard behaviour but it happens.
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