This problem may be specific to ubuntu. Under fedora core 6, the vesa driver from xorg 7.1.1 does seem to work on a friend's R100 with the same graphics card.
-- Edgy X vesa driver blank screen on Toshiba Portege R100 https://launchpad.net/bugs/68814 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
