Motherboards can withstand a LOT of heat....my main PC is 2.0@2.8Mhz for the past 6 years with a scortching hot northbridge without a fan!....so don`t worry so much about destroying your device....the phone is not even hot to the touch when it`s at 100% cpu @ 900Mhz....it will shorten the life of the cpu but until the cpu dies you`ll be buying an N3000!.....ahaha