I don't think that makes the answer to the question clearer at all. The slight differences in encoding are interesting but they don't answer the big question:
They made a significant signalling change once, with 6. How did they manage to take the baud rate from 5 to 8 to 16 to 32 GHz?
They made a significant signalling change once, with 6. How did they manage to take the baud rate from 5 to 8 to 16 to 32 GHz?