Does adding "1680x1050" manually to the xorg.conf help? If it does, please try a fresh daily livecd if it works better. It seems that xresprobe does find the correct resolution, but not when the X was set up by casper. This should now be fixed.
Does adding "1680x1050" manually to the xorg.conf help? If it does, please try a fresh daily livecd if it works better. It seems that xresprobe does find the correct resolution, but not when the X was set up by casper. This should now be fixed.