INT 16 U - NORTON GUIDES - INSTALLATION CHECK AX = F398h Return: AX = 6A73h ("js") BH = 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. scan code of current hot key BL = ASCII code of current hot key Note: NG.EXE was written by John Socha