The CPU fan on my home server is making me crazy, when I built it for the purpose of being small and quiet. I have an ASRockRack E3C236D2I with 32 GB RAM, and a Pentium G4560 with stock HSF. Even when it's not under strain the CPU cooler is frequently whirring up and then down again, every time I do anything. It never stays silent. This is the stock CPU cooler. Does anybody know what I should look at to tune my server and reduce this annoyance? Thanks!!