Michael Richardson wrote:
> 
>   Well, the card isn't different, it is just more precise.  Why it is ep0
> instead of ep1, must be due to your kernel config.

... and in my kernel config, as Jason rightly pointed out, I didn't have the
line

nsphy*  at mii? phy ?                   # NS83840 PHYs

That kernel now detects the card properly and is happily connected to the
network.

Cheers,

Patrick