INT 15 C - Chips & Technologies '65530' 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. - MONITOR SENSING HOOK AX = 5F35h Return: DL = boot display 00h CRT 01h flat panel (LCD(Liquid Crystal Display)) 02h both simultaneously leave unchanged to boot according to 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. settings SeeAlso: AX=5F31h,AX=5F33h,INT 10/AX=5F50h