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Date:      Thu, 14 Nov 1996 00:05:19 -0800 (PST)
From:      "Rodney W. Grimes" <rgrimes@GndRsh.aac.dev.com>
To:        dawes@rf900.physics.usyd.edu.au (David Dawes)
Cc:        jkh@time.cdrom.com, hackers@freebsd.org
Subject:   Re: FreeBSD 2.2-ALPHA is now available.
Message-ID:  <199611140805.AAA21397@GndRsh.aac.dev.com>
In-Reply-To: <199611140652.RAA07940@rf900.physics.usyd.edu.au> from David Dawes at "Nov 14, 96 05:52:07 pm"

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> >> DEC DC21040, DC21041, or DC21140 based NICs (SMC Etherpower 8432T, DE245, etc)
> >
> >I know of _no_ current production DC21140 card that will work with
> >the if_de.c driver.  SMC has discontiued the SMC9332DST, and makeing
> >the SMC9332BDT work requires hacking the driver.  This is also true
> >of the D-Link DFE-500TX, Kingston KNE100TX, and the Compex board.
> 
> I have a Digital DE500-AA here which the driver reports uses the DC21140A.
> It works fine with 2.2 (but not with 2.1.5).  The only question I have
> about it is, is it supposed to auto-detect full duplex 100Mb/s connections?
> It reports:
> 
> de0 <Digital DC21140A Fast Ethernet> rev 32 int a irq 10 on pci0:8
> de0: DE500-AA DC21140A [10-100Mb/s] pass 2.0
> de0: address 00:00:f8:01:e7:8f
> de0: link up: enabling 100baseTX port
> 
> regadless of whether the other end is full or half duplex.  The output
> error rate seems higher when the other end is full duplex (BTW, the
> other end is a 100TX card in a Cisco Catalyst 3000 switch).

>From a discussion I just had with David the if_de.c driver does not
correctly do full duplex, turn off full duplix on your Catalyst port
and things should be much happier.



-- 
Rod Grimes                                      rgrimes@gndrsh.aac.dev.com
Accurate Automation, Inc.                   Reliable computers for FreeBSD



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