From owner-freebsd-questions Fri Dec 17 17:34: 1 1999 Delivered-To: freebsd-questions@freebsd.org Received: from merlin.onsea.com (pB5s09a03.client.global.net.uk [195.147.169.182]) by hub.freebsd.org (Postfix) with ESMTP id 4B2B114E97 for ; Fri, 17 Dec 1999 17:33:52 -0800 (PST) (envelope-from dozprompt@onsea.com) Received: from guru (guru.onsea.com [10.0.0.2]) by merlin.onsea.com (8.9.3/8.9.2) with SMTP id UAA02816; Fri, 17 Dec 1999 20:49:30 GMT (envelope-from dozprompt@onsea.com) From: "Cliff Rowley" To: "Martin Welk" , "death" Cc: Subject: RE: DFE-530TX NIC - fast receive, slow send Date: Fri, 17 Dec 1999 20:49:45 -0000 Message-ID: <000301bf48d0$40218800$0200000a@onsea.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook 8.5, Build 4.71.2173.0 In-Reply-To: <19991217175559.C46333@theatre.sax.de> X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2014.211 Importance: Normal Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > Another thhing: could it be that some PCI adapter cards have to > share IRQs? > IRQ sharing is well-defined for PCI and they should be able to do so, but > we always try to avoid it for performance reasons because if there's one > unique IRQ for each device, no one has to decide and look which one it > probably was. No idea, I dont know a lot about hardware in that detail, but I shall investigate that for sure. It sounds mildly logical, but obviously I cant confirm that for myself until I've at least tried it. > All of those Ethernet adapters I told you from in other mails have > single IRQs :-) (Even the three ones in my desktop machine at work, > and the other three ones in a little server machine - of course, > the seven de interfaces in one machine (a single port card, a twin > port card, a quad port card) don't have, but this machine doesn only some > Ethernet routing to an uplink that's currently limited to 2 mbit/sec, so > I don't care about performance that much. I've ditched the FA310TX originally for the LNE100TX, and I've now got a 3c905C, with another on it's way. We'll see again once I have another 3Com in another machine. Thanks for your input. Cliff To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message