Microprofessor I (MPF 1 - 1B), introduced in 1981 by Multitech, who changed their company name to Acer in 1987, was their first branded computer product and probably one of the world's longest selling computers. The MPF I, specifically designed to teach the fundamentals of machine code, is a simple and easy to use training system for the Zilog Z80 microprocessor.
Incl. original packaging, MPF-I User's Manual, MPF-I Monitor Program Source Listing, BASIC-MPF Operation Manual, BASIC-MPF keyboard template, Display Format On Basic-MPF stickers and European 220V/50hz AC to 9V DC power supply. This Microprocessor Training System is tested and in very good working order.
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The Fidelity Chess Challenger, often referred to as the CC1, was the first chess computer sold to the public. The story of how that came about can be found here (link). Fidelity won the race to get a chess computer on the market but they made it with a bungled product. The playing notation on the board was reversed, with files labelled 1 to 8 and ranks labelled A to H. The computer used this notation to accept and output moves. So a popular opening move e2-e4 would appear as 5b-5d.
