Closeup of the C64 mainboard, showing PCB ASSY No 250469
https://assets.chaos.social/media_attachments/files/113/771/189/012/303/934/original/8567ae7683c1b7c9.jpeg
The second machine that @eazy brought is a C64G with the typical 250469 shortboard. Usually these are very robust. However this one obviously doesn't work either.
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