INT 6F - HP Vectra EX-BIOS - "F_IO_CTRL SF_VID_ID_HP" - INSTALLATION CHECK AX = 0400h BP = 0054h (driver ID for V_SVIDEO) ??? Return: AH = status (see #03744) BX = 4850h ('BP') BP,DS destroyed ??? Note: only partially documented SeeAlso: AX=0402h/BP=0054h,AX=0404h/BP=0054h,AX=0406h/BP=0054h SeeAlso: AX=0408h/BP=0054h,AX=040Ah/BP=0054h