---
name: "autri"
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/autri"
---

# autri(4)

Trident 4DWAVE-DX/NX, SiS 7018, ALi M5451 audio device

## NAME

**autri** – Trident 4DWAVE-DX/NX, SiS 7018, ALi M5451 audio device

## SYNOPSIS

**autri\* at pci? flags 0x0000** **audio\* at autri?** **midi\*  at autri?**

## DESCRIPTION

The **autri** device driver supports the AC'97 audio controller found in Trident 4DWAVE-DX/NX, SiS 7018 and ALi M5451. **autri** typically has reversed stereo channels. The driver compensates for this, but the compensation can be turned off by setting flags to 0x0001.

## SEE ALSO

[ac97(4)](/ac97/4.md), [audio(4)](/audio/4.md), [intro(4)](/intro/4.md), [midi(4)](/midi/4.md), [pci(4)](/pci/4.md)

## HISTORY

The **autri** device driver appeared in OpenBSD 3.1.