Does your machine have the BASIC 1 ROM's? IIRC the diag routines were not present in BASIC2. On 06/10/2020 07:53, vossi wrote: > Hi all, > somme years ago I built the diagnostic test dongles for the PET2001. > They should start the diag routine in the original ROMs, move something on > the monitor and flash the LED on the board. I had one PET in the past where > it worked fine, in another PET not. > > Now I testet again in an EU-PET2001 with RAM/ROM board+original ROMS > selected and my US-PET2001 with original ROM set (2316s). In both machines > the tape motor stopped and the screen was cleared but nothing else - only > darkness ;) > > Why - any ideas ??? > > Christian > > > > ----- > greets > Christian > -- > Sent from: http://cbm-hackers.2304266.n4.nabble.com/ >Received on 2020-10-06 23:00:04
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