Int 1A Fn 05  - Time - Set Real-time Clock Date (at,xt286,ps)              [B]

   AH = 05h
   CH = century (BCD)
   CL = year (BCD)
   DH = month (BCD)
   DL = day (BCD)

Return: nothing

See Also: AH=04h,INT 21/AH=2Bh"DATE",INT 4B/AH=00h"TI"