Thanks for the hint, I switched to 10baseT and problems went away with one 
and two cards. Switching manually to media 100TX stops all network I/O.

This is far less than optimal. Is this any kind of known problem with the 
3C905?

Cheers,
- Anders

On Tue, 1 Feb 2005, Christos Zoulas wrote:

> In article <Pine.NEB.4.60.0502012117500.13437@kvik.lan.dinsen.net>,
> Anders Dinsen  <anders@dinsen.net> wrote:
> >On Tue, 1 Feb 2005, Christos Zoulas wrote:
> >
> >> You mean 3c9xx prolly. 3c509 is isa and it does not have mii. Anyway,
> >> if you suspect it is mii related, why don't you try to turn autonegotiation
> >> off and hard-code the link settings?
> >
> >Right, 3C905.
> >
> >How can I turn autonegotiation off?
> 
> just tell it in ifconfig what media you are using...
> 
> eg. ifconfig ex0 media 10baseT
> 
> man ifconfig for more info.
> 
> christos
>

-- 
Anders Dinsen 
(+45) 28 18 49 25
anders@dinsen.net
www.dinsen.net/anders