It did turn out to be a hardware problem. The card worked fine under Linux
but not under FreeBSD so I assumed (incorrectly) that is was something in
the driver or software. I removed the card over the weekend and did some
testing on the electronics. It turned out that the resistor that provides
impedance loading on the line was bad. I'm not sure why it still worked
under Linux but FreeBSD refused to work with the crappy hardware (as it
should).
What do you mean by bad?
:)
I'm guessing too little/much resistance :)
Anyway you can let us know which resistor it is in case anyone else has the same problem?
I would have thought that a failing resistor that provide impedance loading would cause a card to produce echo, which could explain some poor soul's situations.
-- Cheers,
Matt Riddell _______________________________________________
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