Hi,
I've recently replaced the NVIDIA Quadro 2000 with a ZOTAC GTX 750 Zone with passive cooling. Since that change, the rear case fan runs at a very high speed, so that my desktop is much louder than usual.
My suspicion is that the motherboard's intelligent fan control is trying to somehow compensate the "0 rpm fan speed" reported by the GPU - which is totally ok since the GPU has passive cooling.
This issue is reproducible. As soon as I switch back to the (fan-equipped) NVIDIA Quadro 2000, the desktop remains almost totally silent.
Is there a way to convince the motherboard to just ignore the missing fan speed of the passive cooled graphics card so that the rear fan remains silent?
Thanks,
Helge