On 3/14/07, Gerhard Fiedler <lists@connectionbrazil.com> wrote:
>
> John La Rooy wrote:
>
> > I thought by transparent, he meant that writing directly to the I/O
> ports
> > should have an identical effect at the far end of the serial cable.
> >
> > I imagine there are legacy apps that say just let you specify com1 or
> > com2 and then write directly to the I/O addresses.
>
> I don't think a WinXP application can do this. (The OP talked about
> WinXP.)


A windows 3.1 app running under XP can. It`s amazing how some modern
applications still use the 16 bit API for stuff like that.
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