INT 1A - TIME - SET SYSTEM-TIMER DAY COUNTER (XT2,PS)
AH = 0Bh
CX = count of days since Jan 1,1980
Return: CF set on error
CF clear if successful
SeeAlso: AH=0Ah

See also: 1A05

1A0B - TIME - SET SYSTEM-TIMER DAY COUNTER (XT2,PS)