Just wondering. now i have installed SMFC if i leave the settings on the default minimum will OSX still increase fan speed if it needs to? or are the fans now totally manual?
SMC only gives you the ability to manually set new
base speed profiles for the 5 fans in your MP... e.g. if you create one that increases them by 15%, that means the fans will now run at that speed
minimum... but they will still react with higher speeds under heavy load and higher temperatures.
In my case, I created 5 customized profiles... I modified the default one with a very slight increase in the exhaust fan to avoid resonance; the others are focused on various % increases to the GPU, CPU and PS fans. I then manually select such profiles from the menubar icon, depending on what I'm going to stress my machine with, so I won't even give temperature a chance to raise.
The issue has always been that the speed increase reactions that Apple sets in their firmware are not very conservative when it comes to keeping the temperature down. Some feel the fans usually react too little, too late. And then there was the audio, firewire and flash issues... hence the need for SMC.
But SMC is not a fully automated tool by any means. I really wish there was an more automated solution, that would allow individual fan speed increase profiles in a stepped/timed way, depending in the temperatures reported by the different sensors in the MP.
It seems if i create a profile and set the fans to a faster speed then quit SMCFC the fans dont go back to the OSX default.
Correct: if you set SMC to a certain profile and then quit SMC, the fans stay on the base speed defined by the profile. So yes, you'd have to keep SMC working if you want to vary the base speeds.
Let us know if the iStat fan speed app works better...
cheers!
I'll try SMCFC again tonight or tomorrow.
