Comment 18 for bug 420225

Do you mean like this?

$ xrandr
Screen 0: minimum 320 x 200, current 1600 x 1200, maximum 1600 x 1600
DVI-1 connected 1600x1200+0+0 (normal left inverted right x axis y axis) 408mm x 306mm
   1600x1200 60.0*+
   1280x1024 75.0 60.0
   1280x960 60.0
   1152x864 75.0
   1024x768 75.0 70.1 60.0
   832x624 74.6
   800x600 72.2 75.0 60.3 56.2
   640x480 75.0 72.8 66.7 59.9
   720x400 70.1
DVI-0 disconnected (normal left inverted right x axis y axis)