Most projects are built on abstractions. After all, few of us can create our own wire, our own transistors, or our own integrated circuits. A few months ago, [Julian Ilett] found a problem using th… ...

I thought for sure my new Ivy Bridge build would feature PWM fan control. I was mistaken. My Gigabyte GA-Z77X-UD5H has the same features as the Asus board for $100 less - but the PWM is lame.