Int 15 Fn 5380  - Apm Sl Enhanced V1.0 - Get Calendar Event Time           [p]

   AX = 5380h
   BH = 08h

Return: CF clear if successful
       CH = hours
       CL = minutes
       SI = seconds
   CF set on error
       AH = error code (see #0409)
Desc:  gets calendar event time from CMOS ram

See Also: AX=5380h/BH=06h,AX=5380h/BH=09h,AX=5380h/BH=0Ah,AX=5380h/BH=7Fh

(Table 0409)
Values for APM SL error code:
 02h   no alarm set
 03h   no battery