Oh, I was speaking of 3-pin fans. Unfortunately I can't test a PWM fan without disassembling half my system (it's a very tight fit!), but I assume and expect the answer to all 3 of your questions is 'true'.
Actually, the PWM fans can go as low as 20% according to the manual, which I should've directed you to in the first place!http://www.asus.com/Motherboards/Intel_Socket_1155/Maximus_V_GENE/#download
Yes, 3-pin chassis fan control is supported in the BIOS, and the minimum fan speed is 60% as of the latest BIOS (1204).My 3770K system is currently running without a CPU fan, using a Thermalright HR-02 heatsink, and I've noticed that if I disable the...