Descriptions are in French, but Google Translate works well enough. Model I Buffered EI Cable (40 to 40 pin): http://prof-80.fr/carte-tandy-1700077-c/buffered-ei-cable http://prof-80.fr/carte-tandy-1700077-c/buffered-ei-cable/prototype-buffer-expansion (Schematics and Gerbers available)
Model I Printer Interface Cable (40 to 40 pin): http://prof-80.fr/interface-parallele http://prof-80.fr/interface-parallele/prototype-printer-interface (Schematics and Gerbers available) Model I Hard Disk Adapter (40 to 50 pin): http://prof-80.fr/interface-hd-modele-1-n-26-1132 Scott.
