ZPA600
It was manufactured from 1968 by ZPA Čakovice. The computer was inspired by or was successor to EPOS 2. Operating system running on the computer: ZOS.
It is defacto a mass-produced EPOS 2 in ZPA Čakovice, but the computer differed slightly in terms of construction from its predecessor (wrapped connections, etc.)
A simplified version (without time sharing) under the name ZPA 200 was produced on a trial basis