> Enter google, and I found references to a bug and manual edits to
> the X11 config, in particular adding refresh rates.
I've needed to edit xorg.conf to make the refresh rates faster in
7.04, so that the full resolution of a panel is used. This was after
some autodetect thing asked the panel what it was over DPMS, and it
got the model name/number right. Sounds to me like a bug in Xorg.