*BSD News Article 79291


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From: Darryl Rees <rees@qut.edu.au>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: forcing de0 to 10Mbps
Date: Fri, 27 Sep 1996 09:45:15 +1000
Organization: Queensland University of Technology
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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.

-- 
+-------------------------------------+---------------------------------------+
| Darryl Rees (D.Rees@qut.edu.au)     | Whereof one cannot
speak              |
| Computing Services                  | Thereof one must remain
silent.       |
| Queensland University of Technology | Jeez my bum is itchy
today...         |
|                                     |                   Ludwig
Wittgenstein |
+-------------------------------------+---------------------------------------+