ADT 4800/4900
Designed by VÚMS.It was manufactured from 1987 to 1990 (development 1983-1987) by VÚMS + ZPA Čakovice. The computer was inspired by or was successor to ADT 4700 a HP 21MX-E.
Improved version of ADT 4700, analog HP-21MX-E,F, produced 4 pcs.
From two, we put together a backup data concentrator for ádétéček on four blocks at the Prunéřov I power plant.
There was even an ADT 4900 computer in one specimen, which was inspired by the HP21MX-E/F.
Inaccuracies/doubts related to the topic
Unknown difference between 4800 and 4900
References
- http://prog-story.technicalmuseum.cz/data/golan/almanach-1B.pdf (WebArchive)
- HAAS, Karel. Konstrukční řešení nové řady počítačů ADT 4800/4900. In: Minipočítače ADT. [s.l.]: Dům techniky ČSVTS České Budějovice, 1990.