0 1 2 3 4 5 6 7 8 9 10 11 12 0 0 1 privsize privsize num_hsync num_vsync vendor_length vendor_length 3 0xFFFFFFFC vendor_length model_length modecount privsize privsize privsize privsize 1 flags 1 clocks size 1 0xFFFFFFFE size 1 0xFFFFFFFE size 1 0xFFFFFFFE size 1 0xFFFFFFFE size 1 0xFFFFFFFE size 1 0xFFFFFFFE