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"JNY" <> wrote in message
news: ...
> I have previously produced a system in C which communicates via the
> serial port of my computer. This computer used Windows 95. I am now
> trying to do the same in Windows 2000, and having tremendous trouble
> doing so. I am believe that I need a driver for this to be done, and
> winSDK keeps coming up in my reading. Where do I start integrating a
> driver? Are there any good web-sites which talk users through this
> process? Any help would be greatly appreciated.

<OT>
See http://www.internals.com, look for the WinIO utility.
</OT>