X-On/X-Off flow control???

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2 total messages Started by irwin Thu, 30 Oct 1986 16:59

#8649

Author: irwin
Date: Thu, 30 Oct 1986 16:59

19 lines
1356 bytes

I do not usually follow this forum, so if the question that I am
about to ask has been covered before, please excuse my bringing
up the subject again.

I have a friend that has a new PC running PC-DOS. He has connected
a serial interface printer to it that he has been running on another
system. On the previous system, the printer worked fine. The manual
for the printer states clearly that the printer uses X-On/X-Off for
flow control.

When he connects the printer to the PC, it over-runs the printer
buffer (he is running it at 9600 baud). It is clear that PC-DOS
must be using RTS/CTS instead of X-On/X-Off for flow control.
No where in the documentation, can he find any reference on how
to implement the X-On/X-Off protocol in PC-DOS, or in fact, what
is actually being used for flow control.

Does anyone out there know how??

Re: X-On/X-Off flow control???

#8669

Author: berger
Date: Fri, 31 Oct 1986 21:08

4 lines
722 bytes

Actually, I'm pretty sure that PC-DOS doesn't use flow control at
all by default.  You need to install a print spooler that supports
flow control.

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