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OSBYTE &CB (203) - Read/Write RS423 input buffer minimum

   This is the value the value below which the serial hardware will set the
   RTS line to stop further characters entering the buffer. Its default is 9 
   and should be set to match the responsiveness of the software to the speed
   of the communications

See Also

Jgharston 22:49, 26 May 2009 (UTC)