Yes, driver 6.7.195+git20071020tv solved problem with dark screen on start-up.
I have tried option BusType PCI doesn't work with my card, system hangs, Firefox scroll slowly, have a bad V_BIOS checksum on start-up, gnome session takes a long time to initialize and once it wasn't possible to detect video card and displayconfig-gtk did a mess with xorg.conf.
Yes, driver 6.7.195+ git20071020tv solved problem with dark screen on start-up.
I have tried option BusType PCI doesn't work with my card, system hangs, Firefox scroll slowly, have a bad V_BIOS checksum on start-up, gnome session takes a long time to initialize and once it wasn't possible to detect video card and displayconfig-gtk did a mess with xorg.conf.