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APLSMC(4) Device Drivers Manual (arm64) APLSMC(4)

aplsmcApple System Management Controller (SMC)

aplsmc* at fdt?

The aplsmc driver provides support for the System Management Controller (SMC) found on various Apple SoCs. The driver provides a collection of current, fan, power, temperature, voltage and battery information sensors.

Sensor values are made available through the sysctl(8) interface.

intro(4), sensorsd(8), sysctl(8)

The aplsmc driver first appeared in OpenBSD 7.1.

The aplsmc driver was written by Mark Kettenis <>.

January 10, 2022 OpenBSD-current