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System Management Controller

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The System Management Controller (SMC) is a subsystem of Intel processor-based Macintosh computers. It is similar in function to the older SMU or PMU or UAE of non-Intel Macintosh computers.[1][2]

Overview

The SMC has roles in controlling thermal and power management, battery charging, video mode switching, sleep and wake, hibernation, and LED indicators. It also enables enforcement of the macOS End User License, allowing it to identify when it is running on non-Apple hardware.[3]

See also

References

  1. ^ "HT2368: About the SMC Firmware Updates". Official Apple Support. Archived from the original on 2008-12-23.
  2. ^ "HT202040: About the SMC Firmware Updates". Official Apple Support. Retrieved 2018-04-28.
  3. ^ Randal Schwartz (August 11, 2010). "VirtualBox". FLOSS Weekly (Podcast). 130. TWiT.tv. Retrieved 2018-04-28.
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