(In reply to comment #16)
> (In reply to comment #15)
> > (In reply to comment #13)
> > > One other question, how does MS Windows figure out the correct modelines
> > > when the EDID of the monitor is incorrect? (I did not try the shipped
> > > Windows 8 at all but assume it works.)
> > 
> > It's not incorrect, you can have multiple modes with different clocks for
> > saving power.  E.g., when the system is idle for a while, switch to the
> > lower clocked mode.
> 
> If the display is not able to display something with a certain modeline, I’d
> call it incorrect. What did I miss?

I was just guessing at a possible cause for the display problem.  It turns out
it's not the issue anyway.