I can set up a dual screen, but only with both displays set to 640x480 (wow, what an experience ;-)). The problem seems to be that for some reason the display cannot be wider than 1280 pixels. I'll try meddling with xorg.conf and the Virtual line as suggested, now.
OK, here is the current status. I am using grandr GUI to make any changes (I am not so familiar with the xrandr command line, yet. The version in gutsy crashed (https:/ /bugs.launchpad .net/ubuntu/ +source/ grandr/ +bug/214892) so I backported the hardy one which works fine (https:/ /launchpad. net/~r0lf/ +archive).
I can set up a dual screen, but only with both displays set to 640x480 (wow, what an experience ;-)). The problem seems to be that for some reason the display cannot be wider than 1280 pixels. I'll try meddling with xorg.conf and the Virtual line as suggested, now.