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Date:      Sun, 7 Nov 1999 13:27:44 +0100 (CET)
From:      Adam Szilveszter <sziszi@petra.hos.u-szeged.hu>
To:        Daniel Malament <danielm@j51.com>
Cc:        questions@freebsd.org, hardware@freebsd.org
Subject:   Re: various
Message-ID:  <Pine.LNX.3.96.991107131846.25486A-100000@petra.hos.u-szeged.hu>
In-Reply-To: <199911071032.FAA13170@j51.com>

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On Sun, 7 Nov 1999, Daniel Malament wrote:

> I have a number of questions I've been building up...
> 
> 1) I have a 2.2.8 box on which I've tried two nics: a generic
> NE2000-compatible PCI (ed1) and a 3com 3c509 ISA (ep0).  For comparison, I
> transferred 600M of files to another machine on the network (the only
> other one up right now, in fact).  It took half an hour with the PCI.
> (Average of 333 KB/s.)  With the 3Com, I didn't let it finish because it
> was giving me transfer rates of 30K/sec!!!  Anybody know why I'm getting
> such slow performance out of the 3com?  Are all ISA nics this slow?  For
> that matter, how much bandwidth can one expect a card to use in general?
> What prevents getting the full 10MB?  Buffer delays?
> 
Hi Dan!

To quote from the LINT file (this is 3.3-STABLE):

"# Network interfaces: `cx', `ed', `el', `ep', `ie', `is', `le', `lnc'
 [snip]
 # ep: 3Com 3C509 (buggy)"

This driver is slooooow, it is a known problem. I suggest sticking with
the PCI nic for now. In general there is a difference between ISA and PCI
but not this dramatic of course and it varies from location to
location. I use a non-brand NE2000 PCI card as ed1 and I am content with
it this far although we have a high-speed LAN Internet connection here so
it
should show if there were problems. 

Cheers!

Szilveszter ADAM
-------------------------------------------------------------------------------
* Adam Szilveszter * JATE Szeged * email: sziszi@petra.hos.u-szeged.hu *
* Homepage : none * alternate email: cc@flanker.itl.net.ua *
* Finger sziszi@petra.hos.u-szeged.hu for PGP key. *
* I prefer using the door instead of Windows(tm)... *            



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