Re: DOS Port Buffer

> > I've a problem I am having a tussle to solve. If I 'COPY' something to
> > the COM Port, it only accepts documents (to a Serial Printer) up to about
> > 6k in size, then it halts. The Cutoff size is not effected by the environme
> > I have set, nor does it seem to make a diff if I add a print spooler to the
> > mix. It seems to be totally inherent to DOS.. ANY ideas?
> Hmm...  Just a guess here, but I would suspect that there is little or no
> supervision over the serial port with just a 'COPY'.  You are more than
> likely overflowing the serial buffer.  Cant think of a good solution to this.

It does sound like a flow-control problem, but instead of overflowing the
buffer, what is more likely is that the printer has sent an XOFF command
to shut the data off. When the printer stops, hit CTRL-Q which
sends an XON back to the printer to continue printing.

Of course, this is just a guess <g>.

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