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Questions tagged [commodore]

For quesitons regarding the products of Commodore Business Machines.

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Commodore PC-1 power supply measurements off

I have a Commodore PC-1 with a busted power supply. I have no desire to fix it as I don't have the know-how it is already 30 years old It is difficult to debug / find replacement components So I ...
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Possible cause for C128 A/V output containing faintly coloured columns and failing shortly after?

I recently acquired a Commodore 128. It worked fine for about an hour, in both C64 and C128 mode, at the exception of some coloured bars, before displaying garbage and not booting anymore into any ...
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How many Amiga 3000's were produced?

While revisiting this question: Seeking details relating to Amiga 3000 serial numbers I began to wonder how many actual Amiga 3000's were produced by Commodore. I suspect (like most production ...
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Commodore C128 MOS 6526A interchangeability?

I have a working C128 desktop that I'm using to troubleshoot a non-working C128D-CR. I suspected a problem with CIA 2 on the C128D, so I swapped its chip labelled "6526A" with a 1988 year stamp with ...