Int 10 Fn 12  - Cirrus Logic BIOS V3.02 - Lcd Panel - Set 720-dot Fixup M  [V]

   AH = 12h
   BL = 91h
   AL = new mode
       00h display MGA mode from left of screen (default)
       01h display MGA from right
       02h skip every ninth pixel
       03h OR every 8th and 9th pixel

See Also: AH=12h/BL=84h,AH=12h/BL=8Ah,AH=12h/BL=90h