I can confirm that with this conf i get 800x600 (with no external CRT connected) while readding UseFBDev will get the right resolution.
Fabio ** Attachment added: "xorg.conf of my PB" http://librarian.launchpad.net/4685155/xorg.conf -- regression after latest xorg upgrade in edgy: video mode 1440x960 got missing https://launchpad.net/bugs/63994 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs