INT 4E - TI Professional PCIBM PC - TIME-OF-DAY CLOCK - SET 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. DATE AH = 00h BX = number of days since January 1, 1980 Return: nothing SeeAlso: AH=01h,AH=02h SeeAlso: INT 40"TI Professional",INT 48/AH=00h"TI Professional" SeeAlso: INT 4A/AH=00h"TI",INT 4F"TI Professional"