---
name: "aplpmu"
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/aplpmu"
---

# aplpmu(4)

Apple power management unit

## NAME

**aplpmu** – Apple power management unit

## SYNOPSIS

**aplpmu\* at aplspmi?**

## DESCRIPTION

The **aplpmu** driver provides support for the real-time clock embedded in the PMU found on various Apple SoCs.

## SEE ALSO

[aplspmi(4)](/aplspmi/4.md), [intro(4)](/intro/4.md)

## HISTORY

The **aplpmu** driver first appeared in OpenBSD 7.0.

## AUTHORS

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