acpitimer(4)

acpitimer4

Acpi power management timer

Usage

acpitimer* at acpi?

Overview

The acpitimer driver allows access to a power management timer through ACPI. The timer is used as a timecounter for the tc_init(9) framework.

Releases

43 releases since OpenBSD 3.9; the text changed 4 times.

  1. 3.9–4.0
  2. 4.1
  3. 4.2
  4. 4.3–5.3
  5. 5.4–8.0

History

The acpitimer driver first appeared in OpenBSD 3.8.

Authors

The acpitimer driver was written by Thorsten Lockert ⟨[email protected]⟩.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.