(In reply to saunders.52 from comment #16)
> 
> The GIT commit reversion should be similar enough to a manual change I tried
> with both 4.9 and 4.10 I can almost certainly say it would work (trying the
> old firmware manually). I haven't tried the other, and won't be able to for
> about 5 hours (away from the desktop in question).

So the new firmware works in 4.10, but not in 4.9?