INT 10 - Chips & Technologies Extended BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - EN/DISABLE ACCELERATOR SUPPORT AX = 5F53h BL = new support state 00h disable buffer/accelerator 01h enable buffer/acelerator Return: AL = 5Fh if function supported AH = status 00h unsuccessful 01h successful SeeAlso: AX=5F50h,AX=5F51h,AX=5F54h