DPI                36 Documentation/EDID/1024x768.S #define DPI 72
DPI                36 Documentation/EDID/1280x1024.S #define DPI 72
DPI                36 Documentation/EDID/1600x1200.S #define DPI 72
DPI                36 Documentation/EDID/1680x1050.S #define DPI 96
DPI                36 Documentation/EDID/1920x1080.S #define DPI 96
DPI                33 Documentation/EDID/800x600.S #define DPI 72