System Management Controller: Difference between revisions

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Overview: Related to ML Battery loss issues.
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==Overview==
The SMC controls power flow and fan speed, like the SMU before it. The main objective is to keep the machine running normally with minimal noise. It also enables enforcement of the Mac OS X End User License, allowing it to identify when it is running on non-Apple hardware,<ref>{{cite web|title=Interview with Andy Hall, Product Manager for Oracle VM VirtualBox|url=http://twit.tv/floss130}}</ref> although this can be circumvented by using third-party hacks.<ref name="artifactfix">{{cite web|url=http://www.macbreaker.com/2012/04/fix-hd-3000-artifacts-on-your.html|title=Fix screen artifacts on your Hackintosh|work=Fix screen artifacts on your Hackintosh|accessdate=17 June 2012}}</ref><ref name="netkasSMC">{{cite web|url=http://netkas.org/?cat=15|title=netkas.org » FakeSMC|accessdate=17 June 2012}}</ref>
The SMC should not normally need to be reset at all. Doing so however can be useful in [[troubleshooting]] certain issues., such as:
*Failure to turn on
*Failure to recognize internal [[AirPort]] Extreme card