INT 6F - HP Vectra EX-BIOS - "F_IO_CTRL SF_VID_SET_INFO" - SET EXT-CTRL INFO AX = 0404h BP = 0054h (driver ID for V_SVIDEO) ??? Return: AH = status (see #03744) BP,DS destroyed ??? Note: only partially documented SeeAlso: AX=0400h/BP=0054h,AX=0402h/BP=0054h,AX=0406h/BP=0054h SeeAlso: AX=0408h/BP=0054h,AX=040Ah/BP=0054h