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From: ats@freebsd.first.gmd.de (Andreas Schulz)
Newsgroups: rtd.freebsd.hackers
Subject: Re: 3Com Etherlink II/16 device timeouts
Date: Wed, 21 Feb 1996 02:16:05 +0100 (MET)
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> >   I'm getting the following error with my 3Com card:
> > 
> > ed0: device timeout
> 
> Wrong device.. :-)
> 
> You want to configure the ep0 device for this card.

No, he says Etherlink II/16 not Etherlink III. The ep0 driver
is for the Etherlink III ( 3COM 509 and 579) cards. The Etherlink II
is the 3COM 3C503 and the ed0 driver is correct for that. 
I suspect that the card jumpers and settings disagree with the values
given in FreeBSD.
Also some other ethernet driver may incorrectly hit that card. Boot
with a -c flag at the boot prompt and disable all other cards that
also use the 0x300 address and you don't have in the system. I assume
that the card is default configured to address 0x300 for the I/O port.


	  ATS ( ats@first.gmd.de or ats@cs.tu-berlin.de )

Andreas Schulz  GMD-FIRST     12489  Berlin-Adlershof  Rudower Chaussee 5
Gebaeude 13.10  Tel: +49-30-6392-1856/+49-177-2134745    Germany/Europe