(In reply to Alex Deucher from comment #17)
> (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?

The old firmware works in 4.10. The new firmware hasn't been tested by me
outside of 4.9.