1) if i use smcfancontrol will it disrupt the default fan controls? like having the fans speed up automatically when running intensive programs etc. 2) since smcfancontrol allows you to control the fan speed, will this at all kill the life span of the fans? and what is the max speed the fans should be able to run? and will using smcfancontrol make the fans go faster then they are originally allowed to go? thanks!