# Replica of Beavis Ultrasound PnP ISA Sound Card Built

Hobbyists have created a faithful replica of the Beavis Ultrasound Plug-and-Play ISA sound card, a piece of retro audio hardware. The project involved reverse engineering the original card to produce an open-source replacement. This allows enthusiasts to continue using vintage software and games that relied on this specific sound hardware.

**Importance:** 2/5

## Sources

### Technology
- [Hacker News](https://github.com/schlae/BeavisUltrasound) — Mon, 13 Jul 2026 05:15:14 +0000