INT 10 - Chips & Technologies Extended BIOS - SAVE SUPERVGA STATE AX = 5F91h CX = state mask (see #00185) ES:BX -> save buffer Return: AL = 5Fh if function supported buffer at ES:BX filled SeeAlso: AH=1Ch,AX=5F03h,AX=5F90h,AX=5F92h,AX=5FA1h