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ytmytm
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plus4-tcbm2sd
CBM 1551 paddle replacement / mass storage using an SD card interfacing with the Commodore C16/116/Plus4 simulating a TCBM bus 1551 disk drive
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Pcb rev 1 1
#2
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ytmytm
closed
2 months ago
ytmytm
commented
2 months ago
Merge revision 1.1 of schematic/project files
removed debug pads
solder jumpers to choose software (default) or hardware device number; hardware fixed to device 8 or 9
route software device number from A4 (default) or RXD (clones without A4)
2x8 TCBM connector
various part placement fixes
better labels and descriptions on silkscreen
3.3V reset from CPLD, routed through jumperpad (can be cut to disconnect Arduino reset from system reset)
Merge revision 1.1 of schematic/project files