Subject: Re: poor network performance on de0's on 21164's.
To: Hal Murray <murray@pa.dec.com>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: port-alpha
Date: 07/10/1999 16:31:17
On Fri, Jul 09, 1999 at 08:57:33PM -0700, Hal Murray wrote:
> Sorry I didn't speak up sooner...
>
> I thought it was well known that Tulips didn't work in full duplex
> mode, at least at 100 megabits. This should get added to the supported
> hardware lists and such.
>
> This is not an Alpha-only problem. It happens on Intel boxes too.
> (It also happens on FreeBSD - same driver.)
>
>
> I've had good luck with Intel 82558 cards (fxp).
>
>
> Can anybody confirm that older versions of the Tulip (21140?) work
> at 100/full? If so, that might give somebody a good hint to track
> this down.
I have tulip boards (21140 and 21141) working at 100Mbs FD. But for the
21140 I had to hardwire the board and switch. The negociation would
pick 10Mb/HD otherwise.
No problems with the 21141 (at last with my 3com switches :)
--
Manuel Bouyer <bouyer@antioche.eu.org>
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