N0SS wrote: >As I recall, general rule of thumb: > > If you can place your hand (finger) on the heatsink and leave > it there for 5-6 seconds without screaming, it's getting 'warm'. > >================= Ron, AC7AC wrote: >Isn't that the "general rule of the (blistered) thumb"? > >Isn't the function of the fan to cool the inside of the K2 and NOT the >heatsink itself? Yup. Tom