SM 4

It was manufactured from 1975. The computer was inspired by or was successor to PDP 11/40. Operating systems running on the computer: LOS,DEMOS,FOBOS.

Parts of this topic may be machine translated.

UNIBUS. It was produced in the RU and most other Warsaw Pact countries

References

• https://gunkies.org/wiki/PDP-11/40 (WebArchive)
• https://web.archive.org/web/20120325234853/http://www.village.org/pdp-11/faq.pages/Soviet11s.html (WebArchive)