From owner-freebsd-questions Wed Apr 14 23: 2:40 1999 Delivered-To: freebsd-questions@freebsd.org Received: from solaris.matti.ee (solaris.matti.ee [194.126.98.135]) by hub.freebsd.org (Postfix) with ESMTP id 40BAF153C1 for ; Wed, 14 Apr 1999 23:02:37 -0700 (PDT) (envelope-from vallo@matti.ee) Received: from myhakas.matti.ee (postfix@myhakas.matti.ee [194.126.114.87]) by solaris.matti.ee (8.8.8/8.8.8.s) with ESMTP id JAA29358; Thu, 15 Apr 1999 09:00:10 +0300 (EET DST) Received: by myhakas.matti.ee (Postfix, from userid 1000) id EB226C2; Thu, 15 Apr 1999 09:00:11 +0300 (EEST) Message-ID: <19990415090011.B23171@matti.ee> Date: Thu, 15 Apr 1999 09:00:11 +0300 From: Vallo Kallaste To: "Brian's Mail" Cc: FreeBSD Questions Subject: Re: 2 or 4 port Ethernet cards Reply-To: vallo@matti.ee References: <19990414115146.24299@ccsales.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.93.2i In-Reply-To: ; from Brian's Mail on Wed, Apr 14, 1999 at 05:35:45PM -0500 Organization: =?iso-8859-1?Q?AS_Matti_B=FCrootehnika?= Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Wed, Apr 14, 1999 at 05:35:45PM -0500, Brian's Mail wrote: > The PCI Bus can do 132 MB/sec so in theory the bus can handle 4 100Mb ports. > This would be roughly 50 MB/sec. So it shouldn't matter if there are 4 > seperate cards or a card with four ports, whether or not the card can > sustain that output is the important thing. Also don't forget that the disk I/O belongs to the same PCI bus usually and takes some bandwidth... so you can't give all the performance to network interface. I don't know about the balance of these, somebody more knowledgeable should explain. I have heard rumours that 64bit and 66Mhz PCI busses exist? -- Vallo Kallaste vallo@matti.ee To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message