Well, perhaps it is me reading the sheets wrong!
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The stepper sheet has A-A\-B-B\
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The board information shows 1B-1A-2A-2B
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The driver information shows A2-A1-B1-B2
Now, I initially wired the stepper as AABB - but then after looking at the board sheet rewired to BAAB. But my problem was not that at all (it was the additional jumper I had added thinking it was required).
Once I removed the additional jumper, I then realised that the board stepper pinout is not that relevant and rewired as AABB - and now it works ok!
BUT - thinking about it, maybe I’m supposed to look at the first letter OR number, not just the letters… in which case all the sheets above are in agreement anyway!