On 30 juin, 18:12, Toinet <antoine.vig...@laposte.net> wrote: >"prototype" I don't think so. The STADU computer (built and sold by IEF to scientists and for industrial purposes) wasn't a propotype. Advertising in a french magazine (bottom/right corner): http://boutillon.free.fr/Underground/Pubs/Scans_Apple_II/Hardware/Ief/IEF_Stadu_Poms6_198406.jpg JM