Steveraws

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try --led-row-addr-type=3 most new led matrix panels use shift registers for colom or row selection. just go trough all --led-row-addr-type and --led-multiplexing parameters

As i see you have the same problem as me. Probably the abc collum slect is different then other pannels. Some 128x64 use clock/serial in collum select instead of demuxers....

What ic does the led panel use for colom selection?