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Reverse engineering circuitry in a Spacelab computer from 1980

A detailed reverse engineering analysis of the circuitry in a Spacelab computer from 1980 reveals the design and components used in early space-based computing systems, highlighting the technology and engineering approaches of the era.

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  • Reverse engineering circuitry in a Spacelab computer from 1980

    3.5

    A reverse-engineering analysis of an ALU board from the Mitra 125 MS minicomputer used in Spacelab. The 16-bit computer lacked a microprocessor, using TTL chips like the 74181 ALU. The article also covers the French computer industry's history, the Plan Calcul, and Spacelab's eventual upgrade to IBM AP-101SL computers.