Int 14/AX=164Dh

Digiboard - CCB COMMAND - SET TRANSMIT MID-WATER MARK

AX = 164Dh
BX = new mid-water mark
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=164Ch - AX=164Eh - AX=16

Category: Serial I/O - Int 14h - D

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