---
name: "aplsmc"
section: "4"
platform: "openbsd"
package: "man"
version: "8.0-current-20261101"
release: "OpenBSD 8.0-current (2026-11-01)"
platforms: ["openbsd"]
url: "https://new.carta.tech/aplsmc"
---

# aplsmc(4)

Apple System Management Controller (SMC)

## NAME

**aplsmc** – Apple System Management Controller (SMC)

## SYNOPSIS

**aplsmc\* at fdt?**

## DESCRIPTION

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, lid position and battery information sensors.

Sensor values are made available through the [sysctl(8)](/sysctl/8.md) interface.

## SEE ALSO

[intro(4)](/intro/4.md), [sensorsd(8)](/sensorsd/8.md), [sysctl(8)](/sysctl/8.md)

## HISTORY

The **aplsmc** driver first appeared in OpenBSD 7.1.

## AUTHORS

The **aplsmc** driver was written by Mark Kettenis ⟨*kettenis@openbsd.org*⟩.