Kate, if you're resigned to spending a bit more money you might check out the
Madisonline adapter:
http://store.powerbook1.com/madunacad.html
>
> Thanks to Kiran and to everyone else who offered sources or confirmed
> that I don't actually need the 2400-specific model. I don't think I'm
> going to be able to get out of this for $20, but I probably won't have to
> spend $100. :-)
>
> Kate
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