SM EVM

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SM EVM (СМ ЭВМ, abbreviation of Система Малых ЭВМ—literally System of Mini Computers) was the general name for several types of Soviet and Comecon minicomputers produced in the 1970s and 1980s. Production began in 1975.

Most types of SM EVM were clones of DEC PDP-11 and VAX.[1] SM-1 and SM-2 were clones of Hewlett-Packard minicomputers.

The common operating systems for the PDP-11 clones were translated versions of RSX-11 (ОС РВ) for the higher spec models and RT-11 (РАФОС, ФОДОС) for lower spec models. Also available for the high-end PDP-11 clones was MOS, a clone of UNIX.

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