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ES EVM

From Academic Kids

ES EVM (ЕС ЭВМ) was a Soviet clone of IBM's System/360 computer.

First works on the cloning began in 1968; production started in 1972.

The IBM/360 technology was not legally available to the Soviet Union due to the CoCom's restrictions. No official relations were maintained between the USSR and IBM, so the cloning was done using information obtained through unofficial channels. Much of the IBM software was also (illegally) copied.

The common operating system was OS ES, a clone of OS/360.

Officially, the computers and software were "developed" in Moscow, at the Scientific-Research Center for Electronic Computer Machinery (НИЦЭВТ), in Yerevan, and later in Minsk, Belarus, at the Scientific-Research Institute of Electronic Computer Machines (НИИ ЭВМ). The electronics were based on ECL-type design.

They were manufactured in Minsk, at Minsk Production Group for Computing Machinery (Минское производственное объединение вычислительной техники (МПО ВТ))

The ES EVM computers have also been produced in other countries of the Eastern bloc: Bulgaria, Hungary, Poland, Czechoslovakia and the GDR.

The ES EVM hardware was generally less advanced than that of IBM.

The last ES EVM computers were produced in 1995.

The total number of ES EVM computers produced was in excess of 15,000.

Today some of the Russian institutes that have worked on ES EVM are cooperating with IBM to continue legacy support for both genuine IBM mainfraimes and ES EVM systems.


Einheitliches System Elektronischer Rechenmaschinen (German for: Standardized System of Electronic Computers) was a treaty between the members of Comecon signed on December 23 1968 covering the development of a standardized computing system.

ESER was also the name for computers developed by this standard. Typically ESER Computers where named ЕС (which is cyrillic for "ES") followed by a four digit number (Example: the "EC 1834" was an IBM PC XT compatible made by Robotron).

See also

External links

ru:ЕС ЭВМ

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