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. - SET POWER-ON EMULATION MODE AX = 5F03h BL = 01h CL = emulation mode (see #00181) CH = permanence bit 7 persistence (0 reset on next boot, 1 until changed) Return: AL = 5Fh if function supported AH = status 00h unsuccessful 01h successful SeeAlso: AX=5F02h,AX=5F03h/BL=00h"Chips",AX=5F90h