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 DISPLAY MODE AX = 5F03h BL = 00h CL = display mode CH = mode (see #00181) Return: AL = 5Fh if function supported AH = status 00h unsuccessful 01h successful SeeAlso: AX=5F02h,AX=5F03h/BL=01h"Chips",AX=5F90h Bitfields for Chips&Technologies display mode: Bit(s) Description (Table 00181) 1-0 scanlines (00 = 200, 01 = 350, 10 = 400) 7 persistence (0 reset on next boot, 1 until changed)