Microkey Primo: 17 x TOSEC

"The Microkey Primo computer series was manufactured by Microkey Kftt. (Kutatási Fejlesztési Termelési Társulás), and was originally developed to be a school computer in Hungary.

The system was sold in various memory configurations:

A-32: 16K ROM 16K RAM
A-48: 16K ROM 32K RAM
A-64: 16K ROM 48K RAM
B-64: 16K ROM 48K RAM

Other differences were:

A type did not have built-in joystick and serial