GitHub

Welcome to the ReAmiga 4091 project 👋

  • Fast SCSI-II (10MB/s max) controller for Amiga Computers
  • One of only two Zorro-III SCSI controllers ever designed
  • Full-length Zorro-III with DMA

What you will find here:

  • 🙋‍♀️ Amiga 4091 hardware - Gerbers, Schematics, EasyEDA files, etc
  • 🌈 Firmware / Software for the A4091 (works on the original board, too!)
  • 👩‍💻 GAL source code for A4091 project, based on the work by Dave Haynie
  • 🍿 Artwork, Documentation & Misc for the A4091
  • 🧙 For talks, slides, videos, pictures ... go to scsi.me

Pinned Loading

  1. Amiga 4091 hardware - Gerbers, Schematics, EasyEDA files, etc

    18 2

  2. Firmware / Software for A4091 / A4091 Mini / A4092

    C 21 7

  3. GAL source code for A4091 project

    Shell 9 4

  4. Artwork, Documentation & Misc for the A4091

    OpenSCAD 9 2

Repositories

Showing 9 of 9 repositories

  • a4091-software Public

    Firmware / Software for A4091 / A4091 Mini / A4092

    A4091/a4091-software's past year of commit activity

    C

    21 7 0 0

    Updated Aug 6, 2026

  • A4091/mounter's past year of commit activity

    C

    1 3 0 0

    Updated Jul 27, 2026

  • A4092 Public

    A4092 SCSI-2 Host Controller

    A4091/A4092's past year of commit activity

    Verilog

    10 0 0 0

    Updated Jun 14, 2026

  • a4091-hardware Public

    Amiga 4091 hardware - Gerbers, Schematics, EasyEDA files, etc

    A4091/a4091-hardware's past year of commit activity

    18 2 1 0

    Updated Apr 3, 2026

  • A4091/a4091-collateral's past year of commit activity

    OpenSCAD

    9 2 1 0

    Updated Feb 19, 2026

  • cheetah Public

    Amiga Cheetah UW SCSI controller

    A4091/cheetah's past year of commit activity

    Verilog

    8 0 1 0

    Updated Feb 15, 2026

  • quickints Public

    Zorro III Quick Interrupt Experiments

    A4091/quickints's past year of commit activity

    C

    0 0 0 0

    Updated Nov 29, 2025

  • A4091/a4091-logic's past year of commit activity

    Shell

    9 4 1 1

    Updated Jul 2, 2025

  • .github Public

    A4091 public organization profile

    A4091/.github's past year of commit activity

    1 0 0 0

    Updated Nov 13, 2022

Read the original on github.com ↗