From owner-freebsd-hackers Sun Jun 25 11:33:37 1995 Return-Path: hackers-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id LAA01078 for hackers-outgoing; Sun, 25 Jun 1995 11:33:37 -0700 Received: from gndrsh.aac.dev.com (gndrsh.aac.dev.com [198.145.92.241]) by freefall.cdrom.com (8.6.10/8.6.6) with ESMTP id LAA01071 for ; Sun, 25 Jun 1995 11:33:34 -0700 Received: (from rgrimes@localhost) by gndrsh.aac.dev.com (8.6.11/8.6.9) id LAA01805; Sun, 25 Jun 1995 11:33:43 -0700 From: "Rodney W. Grimes" Message-Id: <199506251833.LAA01805@gndrsh.aac.dev.com> Subject: Re: FreeBSD as a router To: dennis@et.htp.com (dennis) Date: Sun, 25 Jun 1995 11:33:43 -0700 (PDT) Cc: freebsd-hackers@freebsd.org In-Reply-To: <199506251605.MAA26785@mail.htp.com> from "dennis" at Jun 25, 95 12:05:26 pm X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Content-Length: 748 Sender: hackers-owner@freebsd.org Precedence: bulk > > R. Grimes writes..... > > >The SMC 9332 EtherPower 10/100 is a bus master device with no memory > >on it at all. It uses host memory for packet buffers and for all > >practical purposes this can be as much memory as you want to through > >at it! > > > As long as you can get the bus. You don't want this on a 100mbs media > device. The card (or controller) needs some buffering or you'll be in > trouble with a heavy burst. I don't think that a 10MByte a second memory demand is going to have much of a problem at all on a 132MB/sec (theroy) or 100MByte/sec (measured) bus like PCI. -- Rod Grimes rgrimes@gndrsh.aac.dev.com Accurate Automation Company Reliable computers for FreeBSD