Description

Amiga Floppy to PC Floppy Drive Adapter

The AmigaPCDriveAdapter is a small two-layer interface board that sits between an ordinary PC 3.5" floppy drive and an Amiga's original floppy cable, translating the signals the Amiga expects. It mounts internally, directly onto the drive's 34-pin header, so no case modification is needed. The design is built around a single 74LS38 open-collector quad NAND plus a handful of passives — no firmware, no programmable logic, nothing to flash.

This is simply a share of an existing open-source project. All design work is by Gianluca Renzi (RetroBitLab), published at https://github.com/gianlucarenzi/AmigaPCDriveAdapter under the GNU GPL v3. Rev 2.0 is a full KiCad 5 rebuild that fixed the overlapping hand-solder pads introduced during the KiCad 4 → 5 transition — a defect Stefan Gammelgaard identified.

Schematic and Layout

schematics.pdf

Download Gerbers Download BOM(Bill of materials)

Sep 16,2026

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Amiga Floppy to PC Floppy Drive Adapter

Adapter board that lets a standard PC 3.5" floppy drive work inside any Amiga computer.

Published: Sep 16,2026

Standard PCB

Download Gerber file 1

BOM(Bill of materials)

Centroid file

Other files for Assembly

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PCB+Assembly

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