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Previous posters are correct...the boards all daisy chain around the machine from 1 board to the next.
Issues on one board or its interconnect harness will cause problems with all boards downstream from it.
However, the software team put a workaround in place that will allow you to turn on and off certain boards if they are found to be the problem, which will allow the rest of the LEDs downstream from it to continue working.
2.0 light kits are on the horizon, rest assured. Supply chain issues with chips definitely put a hamper on things.