Baltissen, GJPAA (Ruud) wrote on 21.02.2024 08:06: > Micha³ and I recreated the card and added some enhancements: > - 64 KB of ROM > - using the well available 8255 instead of the rare 6525 > Micha³ then managed to dump MS-DOS 3.2 into the EPROM, 3.30 was a bit too big, and things ran fine, both on a 610 and 720. He expanded the card much further but it is to him to explain that. > > I do have Eagle schematic and board files so Gerber files can be created. But Micha³ has a vote in this as well and may be has better options. Micha³? I have no problems with you sharing the schematics :) I did put the updated schematics of my improved board 8088 inline too: https://github.com/MichalPleban/cbm2-8088-ram-board Regards, Michau.Received on 2024-02-21 17:00:04
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