Date: Mon, 8 Nov 1999 01:50:06 -0500 (EST) From: "Matthew N. Dodd" <winter@jurai.net> To: Daniel Malament <danielm@j51.com> Cc: questions@FreeBSD.ORG, hardware@FreeBSD.ORG Subject: Re: various Message-ID: <Pine.BSF.4.20.9911080149280.11013-100000@sasami.jurai.net> 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? Sounds like an interrupt problem. Verify that all interrupts on the box are accounted for and non-conflicting. -- | Matthew N. Dodd | '78 Datsun 280Z | '75 Volvo 164E | FreeBSD/NetBSD | | winter@jurai.net | 2 x '84 Volvo 245DL | ix86,sparc,pmax | | http://www.jurai.net/~winter | This Space For Rent | ISO8802.5 4ever | To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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