---
name: "opalsens"
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/opalsens"
---

# opalsens(4)

OPAL sensor

## NAME

**opalsens** – OPAL sensor

## SYNOPSIS

**opalsens\* at fdt?**

## DESCRIPTION

The **opalsens** driver provides support for sensors provided by the OPAL firmware found on PowerNV systems.

## SEE ALSO

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

## HISTORY

The **opalsens** driver first appeared in OpenBSD 6.8.

## AUTHORS

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