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AI Engineering
Hacker News·23d ago·5 min read
Beavis Ultrasound PnP ISA Sound Card Replica
TL;DR
An open-source replica of the Gravis Ultrasound PnP sound card has been developed, featuring complete schematics and reverse-engineered GAL source code. Built around the AMD InterWave chip, the design simplifies sound card functionality.
✦ Why It Matters
Engineers can experiment with retro sound card design by building the Beavis Ultrasound PnP replica using open-source resources.
Key Takeaways
- Obtain an AMD InterWave chip to start building the sound card.
- Review the complete schematics and GAL source code for customization.
- Be prepared for potential risks as the board has not been tested.
- Explore retro computing projects to enhance hardware design skills.
Full Summary
The Beavis Ultrasound PnP is a new open-source project aimed at replicating the Gravis Ultrasound PnP sound card, which was popular in the 1990s. This design stands out because it includes the full schematic and reverse-engineered source code for the Generic Array Logic (GAL) component, allowing for greater transparency and customization.
To build the board, users need an AMD InterWave chip, specifically the AM78C201, which integrates most sound card functionalities. The design process emphasizes simplicity, leveraging the capabilities of the AMD chip to minimize additional components.
However, the creator has not yet fabricated the board or verified its functionality, meaning that anyone attempting to build it should be aware of the associated risks. This project could inspire further exploration in retro computing and sound card emulation, providing a hands-on opportunity for engineers interested in hardware design.