xrandr SZ: Pixels Physical Refresh 0 1680 x 1050 ( 454mm x 281mm ) 60 *1 1280 x 1024 ( 454mm x 281mm ) *75 2 1366 x 768 ( 454mm x 281mm ) 75 3 1360 x 768 ( 454mm x 281mm ) 75 4 1024 x 768 ( 454mm x 281mm ) 75 5 1064 x 600 ( 454mm x 281mm ) 75 6 800 x 600 ( 454mm x 281mm ) 75 Current rotation - normal Current reflection - none Rotations possible - normal left inverted right Reflections possible - none