From Fedora Project Wiki
[liveuser@localhost ~]$ xrandr Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 1680 x 1680 LVDS-0 connected 1680x1050+0+0 (normal left inverted right x axis y axis) 331mm x 207mm 1680x1050 60.0*+ 50.0 VGA-1 disconnected (normal left inverted right x axis y axis) DVI-2 connected 1680x1050+0+0 (normal left inverted right x axis y axis) 473mm x 296mm 1680x1050 60.0*+ 59.9 1280x1024 75.0 60.0 1440x900 75.0 59.9 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