$ xrandr --prop
Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 8192 x 8192
DVI-0 disconnected (normal left inverted right x axis y axis)
	load detection: 1 
		range: (0, 1)
	dither: off 
		supported: off, on
	audio: auto 
		supported: off, on, auto
	underscan vborder: 0 
		range: (0, 128)
	underscan hborder: 0 
		range: (0, 128)
	underscan: off 
		supported: off, on, auto
	coherent: 1 
		range: (0, 1)
LVDS connected 1680x1050+0+0 (normal left inverted right x axis y axis) 331mm x 207mm
	EDID: 
		00ffffffffffff0030ae534000000000
		0011010380211578eacd7591554f8b26
		21505400000001010101010101010101
		010101010101a82f90e0601a10402040
		13004bcf10000019b72790e0601a1040
		204013004bcf100000190000000f00b3
		0a32b30a281401004ca35033000000fe
		004c544e31353450332d4c30320a007e
	scaling mode: Full 
		supported: None, Full, Center, Full aspect
   1680x1050      60.1*+   50.1  
   1400x1050      60.0  
   1280x1024      59.9  
   1440x900       59.9  
   1280x960       59.9  
   1280x854       59.9  
   1280x800       59.8  
   1280x720       59.9  
   1152x768       59.8  
   1024x768       59.9  
   800x600        59.9  
   848x480        59.7  
   720x480        59.7  
   640x480        59.4  
DisplayPort-0 disconnected (normal left inverted right x axis y axis)
	dither: off 
		supported: off, on
	audio: auto 
		supported: off, on, auto
	underscan vborder: 0 
		range: (0, 128)
	underscan hborder: 0 
		range: (0, 128)
	underscan: off 
		supported: off, on, auto
	coherent: 1 
		range: (0, 1)
VGA-0 disconnected (normal left inverted right x axis y axis)
	load detection: 1 
		range: (0, 1)