For a long time I have been looking at the photos of this, o so simple 6502 trainer, to see how it works and be able to build one myself.
Now that the circuit diagram has become available I have added a page on the OSI 300 on what I have found out about this simple 6502 system: photo’s, manual and circuit.
With the help of users on the German Classic Computing forum I ahve added many manuals and magazines in german about tho...
Another article from the Dutch KIM Kenner magazine: RECORDING PROGRAMS WITH THE KIM-1 AND THE CASSETTE RECORDEROrigin...
Stephen Crozier made a clone of the Unilab Three Chips main board.
Thanks to Mathias Ohlerich for the scan of the Sonderheft 2