After playing around with fan curves on my ASRock DeskMini X300 based home server, I noticed one interesting thing. At least it was interesting to me. Background I had one goal: to try to see if I could turn it into a semi-passive PC by only turning the fan on when the PC was under load while keeping it off for as long as possible. Running the fan only when necessary means less noise and less dust accumulating on the heat sink. No dust, no maintenance required. The cooling solution used is th...