km(4)

km4

Amd k10 temperature sensor

Usage

km* at pci?

Overview

The km driver provides support for the temperature sensors available in the AMD Family 10h, 11h, 14h, 15h, and 16h processors.

Each chip reports one temperature sensor. Multiprocessor systems have one instance of km per chip. The highest resolution supported by the driver is 0.125 degC.

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

Releases

38 releases since OpenBSD 4.4; the text changed 7 times.

  1. 4.4
  2. 4.5–4.6
  3. 4.7–4.9
  4. 5.0–5.2
  5. 5.3
  6. 5.4–5.6
  7. 5.7–6.5
  8. 6.6–8.0

History

The km driver first appeared in OpenBSD 4.4.

Authors

The km driver was written by Constantine A. Murenin ⟨[email protected]⟩, University of Waterloo.

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