Howdy.

I am trying to write a custom serial interface for a PIC project, sort =
of like DOS-based terminal.  I'm using the DJGPP compiler by DJ Delorie, =
with the SVASync interrupt-driven serial comm package.  The program runs =
fine on my old desktop PC, but refuses to read the external serial port =
on my laptop. =20

I have one of those PCMCIA Universal Port Replicators, which works great =
in Windows.  Also, when I try to write to the port from DOS, I can see =
the waveform on my scope.  But reading the port always returns -1.

The settings are 9600, 8-N-1. =20

Has anyone ran into a similar problem before?  I would appreciate any =
information you could share..

Thank you!

Vitaliy

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