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Date: Tue, 17 Jan 1995 22:58:55 -0800
To: awd@ddg.com (Andrew W. Donoho), questions@FreeBSD.org,
        hardware@FreeBSD.org
From: rsoles@SIRIUS.COM (Roger L Soles)
Subject: Re: ep Driver and the 3c509B-TPO
Cc: awd@ddg.com, rkw@freefall.cdrom.com
Sender: questions-owner@FreeBSD.org
Precedence: bulk

You should be able to boot DOS and run the 3C5X9cfg.exe program
and disable auto-sensing; you can select whether you want the
AUI, TP, or Coax on combos; or AUI/TP, AUI/Coax on other cards.

It should work -- I don't have any problem running with the Combos.

At 10:29 PM 1/17/95 -0600, Andrew W. Donoho wrote:
>Folks,
>
>I was given an old clunker of a 386 box so that I could add DNS service to
>my mostly Mac network. Not being an x86 expert, I purchased a 3Com ethernet
>card, 3c509B-TPO (TPO stands for twisted pair only). It was "supported" by
>FreeBSD 2.0, cheap ($99.00) and made by a reputable company. In any event,
>the "B" version is apparently "different" from the older 3c509 in three
>ways.
>    1. Larger Buffers (4K -> 8K)
>    2. Auto Media Sensing (It can tell if it is connected to a network).
>    3. "Plug and Play" capability (This can be disabled in software.)
>
>In any event, FreeBSD 2.0 does not function with this card. I think that
>the problem is probably the autosensing function since the card only
>activates its 10baseT transceiver during its diagnostic tests. FreeBSD can
>identify the card but not turn it on. The folks at 3com claim that it is
>very simple to support the auto sensing function and that it can be done to
>support both old and new cards with a single driver. Since this is the only
>3c509 card that 3com is currently selling, I think it behooves us to
>support it.
>
>Again, I am not a unix expert and only have this one old clunker of a
>machine. But I'll help if I can... OTOH, 3Com will be happy to replace my
>"B" card with the earlier version which will work with FreeBSD.
>
>Any ideas on how to get this card working with FreeBSD 2.0?
>
>Andrew Donoho
>awd@ddg.com
>
>
>
>
>
>
//----------------------------------------------------------------------------
// Roger L Soles
// PO Box 280785
// San Francisco, CA  94124-0785