Thanks, those are some good ideas to try.

I'm sure some one must have asked a similar question, but I think I'm entering the wrong search terms into Google and the forum. I have an Octo with a temperature probe to measure the case temperature and two case fans connected. I've set up a simple curve where the fan speed gradually increases with the temperature. This seems to work fine. If I'm just surfing the web, the case temp will stay low and the fans will not spin. If I'm running a game or doing some AI things, the case is heating enou...