Int 14 Fn 164A  - Digiboard - Ccb Command - Set Break Count                [S]

   AX = 164Ah
   BL = break count
   CL = byte 1
   DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)

Return: AH = status
       00h successful
       80h error
       FFh error

See Also: AH=16h"Digiboard",AX=1649h,AX=164Bh