If you're really needing to stick with your current setup then you're going to have to beef up your cooling. 100 Celsius is enough to boil water(it's what the measurement is based on). I am going to have to venture a guess and say that you don't have a heatsink on that puppy...? I think mine (running 25over) only runs about 30c...or something. Lemme check....
It's at 45ºC