neo(4)

neo4

Neomagic 256av/zx audio device

Usage

neo* at pci? audio* at neo?

Overview

The neo driver provides support for NeoMagic MagicMedia 256AV and 256ZX audio chips found in many laptops, and perhaps on some PCI cards.

Files

The driver needs a firmware file, which is loaded on demand when the device is attached:

/etc/firmware/neo-coefficients

Releases

55 releases since OpenBSD 2.7; the text changed 8 times.

  1. 2.7
  2. 2.8–2.9
  3. 3.0–3.1
  4. 3.2–3.3
  5. 3.4–3.6
  6. 3.7–3.9
  7. 4.0–4.1
  8. 4.2–7.3
  9. 7.4–8.0

History

The neo device driver appeared in OpenBSD 2.7.

Bugs

This driver has some bugs because NeoMagic refuses to provide documentation, even though they are discontinuing their products. At the time of contact, all persons working at the company were hiding behind their receptionist as if in a stage of siege.

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