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Date: Mon, 15 Sep 1997 15:40:01 -0400 (EDT)
From: Ben Black <black@zen.cypher.net>
To: Atipa <freebsd@atipa.com>
cc: Jason Lixfeld <jlixfeld@idirect.com>, freebsd-hackers@FreeBSD.ORG,
        freebsd-hardware@FreeBSD.ORG
Subject: Re: DLINK 21140 Card
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this is called T4 (vs TX) and it is a simplex version of fast ethernet.  

On Mon, 15 Sep 1997, Atipa wrote:

> 
> The D-Link cards I am familiar with have a nice chipset, but a piss-poor 
> connector. Instead of using all 8 pins for the RJ-45 connector, they try 
> to save about $.0005 per card by only using the 4 TX/RX pins. This 
> results in lots of intermittant connections. An intermittant connection 
> on a switching medium (10/100) can cause lock-ups like you are 
> reporting. We discontinued carrying that card for this exact reason.
> 
> My recommendation would be to make sure you have good strain-relief on 
> the cable, and lateral support if possible. Or replace the card...
> 
> If it is not a physical connection problem, you may have buffer 
> overflows. Do you get any erros in /var/log/messages? Does dmesg report 
> "deo timeout"?
> 
> Kevin
> 
> On Sun, 14 Sep 1997, Jason Lixfeld wrote:
> 
> > I have FreeBSD 2.2.2, DLink DEC Tulip 21140AE REV-2C Chipset with the
> > if_de.c from Matt Thomas' site, 3am-software.com.  I have tried with the
> > 21140AC REV-1B Chipset, and am getting the same problems:  It's fine on a
> > bootup, but after a few hours, the ethernet just stops responding.  Their
> > is still a link light on my hub, put it is not pingable, and tests from
> > the console are useless.  ifconfig de0 shows the interface as being up,
> > however I'm seeing a flag "OACTIVE" and I'm not sure that is supposed to
> > be there.  Has anyone had trouble with these cards/driver before, and does
> > anyone have a solution?
> > 
> > TiA..
> > 
> > 
> > 
>