*BSD News Article 79305


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From: Ken Bigelow <kbigelow@www.play-hookey.com>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: forcing de0 to 10Mbps
Date: Thu, 26 Sep 1996 22:02:12 +0000
Organization: Erol's Internet Services
Lines: 42
Message-ID: <324AFD64.7074@www.play-hookey.com>
References: <3248f857.0@news.aussie.net> <52b2bo$2dd@verdi.nethelp.no> <324B158A.167EB0E7@qut.edu.au>
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Darryl Rees wrote:
> 
> Steinar Haug wrote:
> >
> > [Caretaker]
> >
> > |  i am just installing a few SMC EtherPower PCI cards into boxes running
> > |  2.1.5-RELEASE. this cards are 10/100Mbps auto-switching and are based
> > |  on the 21140 chip set.
> > |
> > |  the OS probes the cards currently and installs the de0 driver. unfortunately
> > |  i have not found a way to force the cards to work at 10Mbps.
> > |
> > |  is there anything i must change or set in the kernel config file to force
> > |  de0 to run at 10Mbps?
> >
> > ifconfig de0 -link2
> >
> > Steinar Haug, Nethelp consulting, sthaug@nethelp.no
> 
> Now here's a funny thing -
> 
> I'm running 2.1.5-RELEASE, with a digital de500, and when I plugged
> it into a 10M port to test it, it came up at 100M. OK, I thought, it
> doesn't autodetect to good - so I plugged it into a 100baseT port.
> Works like a bought one. Next reboot, it comes up at 10M. Curious.
> Plug it back into the 10M port and reboot - comes up as 100M.
> ie. Seems to detect 10baseT on 100baseT port and 100baseT on 10baseT
> port.
> 
> Never gotten round to look at the driver code; I'm surprised that
> noone else would have picked this up if it is a general problem. Hmmm.
> 

Hmmm, indeed. Maybe a bad cable or plug, so the system accepts as
possible the port *without* the plug???
-- 
Ken

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