You can't solve that problem by "tweaking sync/refresh rates", LCD screens work quite different from CRT screens, simply put: you can't/shouldn't touch those settings.
The choppiness you experience is probably due to the fact that vesa is a very basic driver, which leaves large parts of the card's functionality untouched. In other words: It's pretty slow.
__________________
UNIX was not designed to stop you from doing stupid things, because that would also stop you from doing clever things.
|