+Andrew Davie Posted July 18, 2021 Share Posted July 18, 2021 On 7/16/2021 at 10:18 PM, WicoKid said: Any ideas? Has the firmware become specific to the Pcb board design? The very latest PCB design from me is compatible with both UnoCart and PlusCart firmware, as the address lines are "doubled" to the correct pins for both firmwares. Earlier boards AFAIK were either UnoCart boards OR PlusCart boards (but not both). That is, if you are putting firmware on a board that is not my dual-design, then you need to have firmware that is looking at the correct pins, so to speak, on the ARM. That's because the UnoCart and PlusCart firmware use different pins for the address/data lines. This is not a matter of "has the firmware become specific" but that the firmware was always specific, and only with my "dual mode" PCB could you mix and match the firmware/type you used. That is, my board is compatible with the UnoCart AND the PlusCart firmware. Earlier boards were UnoCart OR PlusCart. That's my recollection. It's been a while since I've thought about it. 1 Quote Link to comment Share on other sites More sharing options...
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