For me SMC is now pretty much redundant with the latest release of UltraFan having manual control of the fans RPM, and subsequently i am starting to uninstall it from my own Mac`s. At the end of the day you want to control your system temperature, not your fan rpm`s. This functionality depends on both your hardware and software.You can use software to override Apple`s own cooling algorithm by manually taking control of fan RPM and setting up power profile presets with SMC Fan Control 2.4, or with UltraFan which allows you stipulate a preset temperature and the software will automatically raise and lower fan RPM`s to keep the system at the predefined temp, which i personally feel is a far more elegant solution. If your hardware doesn't support fan speed controls, or doesn't show them to the OS, it is very likely that you could not use this solution. If it does, but the software (aka kernel) doesn't know how to control it, you are without luck. Install the lm-sensors and fancontrol packages. In terminal type sudo sensors-detect and answer YES to all YES/no questions. (Potentially, this can damage your system or cause system crash. There is no guarantee that this process will not damage your system permanently, I just think that chance of such critical failure is really really low. Saving all your work for eventual crashes/freezes/restarts before handling system configuration is always good idea. If you feel unsure, read the comments and try to search a web and get some high-level overview before YES-ing everything, maybe being selective with your YES-es will still be enough)Īt the end of sensors-detect, a list of modules that need to be loaded will be displayed.
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