HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

            INT 1A,5 - Set Real Time Clock Date  (XT 286,AT,PS/2)

       AH = 05
       CH = century in BCD (decimal 19 or 20)
       CL = year in BCD
       DH = month in BCD
       DL = day in BCD

       returns nothing

       - all values must be in BCD
       - see   RTC

Esc or Alt-X to exit int 1a,5 Home/PgUp/PgDn/End ←↑↓→
Converted to HTML in 2006 by Timo Bingmann