From owner-freebsd-mobile Wed Oct 15 15:54:45 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id PAA16029 for mobile-outgoing; Wed, 15 Oct 1997 15:54:45 -0700 (PDT) (envelope-from owner-freebsd-mobile) Received: from awfulhak.demon.co.uk (awfulhak.demon.co.uk [158.152.17.1]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id PAA15987 for ; Wed, 15 Oct 1997 15:54:32 -0700 (PDT) (envelope-from brian@awfulhak.org) Received: from gate.lan.awfulhak.org (localhost [127.0.0.1]) by awfulhak.demon.co.uk (8.8.5/8.8.5) with ESMTP id UAA18033; Wed, 15 Oct 1997 20:37:33 +0100 (BST) Message-Id: <199710151937.UAA18033@awfulhak.demon.co.uk> X-Mailer: exmh version 2.0zeta 7/24/97 To: Mike Smith cc: Adept , Brian Somers , William Bulley , freebsd-mobile@FreeBSD.ORG Subject: Re: 3C589 performance (was Re: obtaining 3COM 3C589C PC-CARDs ) In-reply-to: Your message of "Wed, 15 Oct 1997 22:34:45 +0930." <199710151304.WAA00569@word.smith.net.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 15 Oct 1997 20:37:33 +0100 From: Brian Somers Sender: owner-freebsd-mobile@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > > > I'll gladly swap a 3c589c for any of the PAO supported PCCARD > > > network cards (see http://www.jp.FreeBSD.org/PAO). My impression > > > of their performance is somewhat lacking (~200k/sec on average). > > > > Woah!? > > > > I 've done some benchmarking and I'm getting on my Thinkpad 701C something > > like 700K/sec with my 3C589B. > > On a silent network, their throughput is fine. Unfortunately, it > appears that the '589 suffers from similar problems to other 3Com cards > on networks with other traffic; I see transfers out of this system as > slow as 50K/sec on a lightly to moderately loaded network. Others have > reported similar experiences with other cards (3C509, 3C59x, 3C90x). > > mike My latest experiences were with the 2.2.2 PAO install floppy from www.jp.freebsd.org/PAO and a silent network w/ a SMC DEC21040 on the other end of an ftp install :-( I've never had much luck w/ 3com :-( Of course my mileage may vary on my 2.2-STABLE laptop. I haven't measured throughput in a while (the 200k/s install was on a friends machine last weekend). -- Brian , , Don't _EVER_ lose your sense of humour....