System Management Controller

Gay

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.

See also

• Baseboard management controller (BMC)
• Embedded controller (EC)
• Enhanced Serial Peripheral Interface Bus (eSPI)
• Low Pin Count (LPC)
• Power management integrated circuit (PMIC)
• Power Management Unit (PMU)
• System Management Bus (SMBus)
• System Management Unit (SMU)

External links

• EFI and SMC firmware updates for Intel-based Macs