lkh@chonnom:~$ xrandr
Screen 0: minimum 320 x 200, current 3600 x 1080, maximum 8192 x 8192
DVI-I-1 connected primary 1920x1080+1680+0 (normal left inverted right x axis y axis) 509mm x 286mm
1920x1080 60.00*+
1680x1050 59.88
1280x1024 75.02 60.02
1440x900 59.90
1280x960 60.00
1280x800 59.91
1152x864 75.00
1280x720 60.00
1024x768 75.08 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
640x480 75.00 72.81 66.67 60.00
720x400 70.08
VGA-1 connected 1680x1050+0+0 (normal left inverted right x axis y axis) 474mm x 296mm
1680x1050 59.95*+
1400x1050 59.98
1280x1024 75.02 60.02
1440x900 59.89
1280x960 60.00
1152x864 75.00
1024x768 75.08 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
640x480 75.00 72.81 66.67 60.00
720x400 70.08
HDMI-1 disconnected (normal left inverted right x axis y axis)