--- In Eddie Dawydiuk <> wrote:
>
> Hello,
>
> > Hi there.. I am trying to connect my serial port on my win xp (64) pc
> > to the 7400 board using the 9440 daughter board.. I have set the
> > serial port to 115200 8N1 no flow control but I am not getting any
> > output to my screen.. My laptop (beside my PC) is connected to the
> > ethernet port on the 7400 and that is working fine.
> >
> > Can someone please tell me where I have gone wrong so I can get on to
> > my next road block of booting debian off the sd card...
>
> You can check you null modem cable with on ohm meter, you should find
> pins 2 and 3 are crossed over. If your cable is ok then more than likely
> you have a bad serial port on your PC or your TS-7400. An easy way to
> test your serial port on your PC would be to short pins 2 and 3. Open a
> terminal emulator. Assuming you have echo disabled in your terminal
> emulator what ever you type should appear in your terminal emulator. You
> can verify that echo is disabled by unshorting pins 2 and 3, you should
> no longer see the characters echoed to your terminal emulator...
>
> //Eddie
>
Thanks Eddie. I have tested the cable by shorting pins 2 -> 3 and
it works with the terminal software (Tera term) but when I remove
the short and connect to the 9441 board (sorry I said it was a 9440)
then I get nothing.
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