SM 4-20

It was manufactured from 1982 to 1988 by ZVT Námestovo. The computer was inspired by or was successor to PDP 11/40 a SM 3-20. Hardware is based on 74181.Operating systems running on the computer: DIAMS,TMOS-2.

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SMEP-I series computer.

The UNIBUS bus, connected to the SMEP board format.

Processor Boards

Computer Usage

In scientific data processing

Ondrej Jančík, Vladimír Kapišovský and Jozef Beňa from the Research Institute of Nuclear Power Plants in Jaslovské Bohunice, at a conference in 1986, the authors presented graphic means for spectrometry based on the SM 4-20 computer. The goal of their work was to create tools for displaying and manipulating spectra that could be loaded into a computer from various sources. These sources included, for example, a remote spectrometer, a local spectrometer in the CAMAC system, any other spectrometric system, or storage media.

For this purpose, they used technical resources that included a CAMAC frame controlled by an NL 2106 unit, an MC-6-A-RGB color monitor and a CAM 3.10-11 monitor control unit. The displayed display system had a resolution of 256 x 512 pixels and supported 8 colors. The authors made it possible to display two histograms in either point or line form, as well as display text or semi-graphic information in a 32 x 64 character grid.

They ensured interaction with the operator through the CM 7202 console and planned to expand the possibility of control using a special functional keyboard. They implemented the entire software under the DOS RV-V2 operating system.

Inaccuracies/doubts related to the topic

YEARS OF PRODUCTION VERY UNCERTAIN - ADD.

Computers derived from SM 4-20

The following computers were inspired by or derived from SM 4-20:

References

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