I found an interesting article in this post: http://www.osxlatitu...c-smbios-plist/
It claims that the performance of the internal CPU fan could be influenced by changing the SMC-Vervion in FakeSMC.
By default it loads version 1.30fxx which some kind of generic (even suitable for old systems).
My fan comes up quite fast and loud when load is on the system.
Using my SMBIOS version MBP10,1, which comes closest to my system, I changed the version of the SMC to 2.3fxx.
This is the apporpiate version corresponding to the Apple table (see PDF).
My fans come in slow and later. the system heats up a bit more (about 10 degrees celsius), but it is really smoother and not so loud. I personally think that the battery might last longer, when the fans do not turn at such high speeds all the time.
So test it, if you want:
- open the FakeSMC.kext in S/L/E,
- choose the correct version from the PDF from Apple,
- backup the kext,
- edit the Info.plist (look at JPG and Info.plist.txt, which I had to rename in order to upload it here) inside FakeSMC.kext,
- install it back with KextWizard and... voila!
Happy New Year :-)