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Date:      Tue, 1 Jul 1997 14:22:39 -0700 (PDT)
From:      Tom Samplonius <tom@sdf.com>
To:        "Gary D. Margiotta" <gary@tbe.net>
Cc:        Julian Elischer <julian@whistle.com>, Gennadi Makhmetov <gena@ph-elec.phys.msu.su>, freebsd-hardware@freebsd.org
Subject:   Re: lnc device
Message-ID:  <Pine.BSF.3.95q.970701141640.2155A-100000@misery.sdf.com>
In-Reply-To: <Pine.BSF.3.95q.970701164038.668B-100000@lightning.tbe.net>

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On Tue, 1 Jul 1997, Gary D. Margiotta wrote:

> > if you can get a NON PCI MB. just use 16 bit SMA/WD cards.
> > (they are also cheaper).
> > do NOT use NE2000 cards.
> 
> Just out of curiosity, do you mean generic NE2000 cards, and if so, may I
> ask as to why you say not to get them.  We have a few NE2000 generic cards
> in some machines here, and have absolutely no problems with them, plus
> their speeds aren't bad.  They aren't near as good as the Intel Pro100B
> PCI cards we also use, but they are still decently fast nontheless...
> 
> -Gary Margiotta
> TBE Internet Services
> http://www.tbe.net

  NE-2000 cards use programmed I/O.  Programmed I/O to NE-200 cards is CPU
intensive.  486 systems will have problems saturating ethernet with a
NE-2000 card, but will not have problems with a shared memory card.

  If you are using NE-2000 in a Pentium or Pentium Pro system, you are
just wasting expensive CPU power.  What does a Pentium Pro 200 with 512k
of onchip cache cost?  About a thousand bucks, I guess.  What does a Intel
Pro100B cost?  Less than a hundred bucks.

Tom




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