Besides increasing the amount of heat produced, are there any other effects caused by increasing the voltage? The reason I ask is that it's nice and cold outside. I've got my window open to decrease the ambient temp in my room so that I can see how much speed I can really get from my CPU. My case temp and room temp are 64 degrees right now. In a few hours, it should get down into the fifties. The highest speed I've reached before is 864 at 1.85 volts. I'd like to break 900 if possible. Thanks for any help you can offer. 
