Wow I just found this software, I've never seen/heard it before. It's the fan control software I've basically always wanted. I did see a OSX version so I'll have to download it when I boot back to Mavericks. Have full control over all the fans as well as temp readings too. I've tried many others before but this seems to work the best so far. http://www.crystalidea.com/macs-fan-control Sorry if this has been posted before, but I have never seen it.