From owner-freebsd-isp Fri Nov 15 08:47:10 1996 Return-Path: owner-isp Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id IAA28461 for isp-outgoing; Fri, 15 Nov 1996 08:47:10 -0800 (PST) Received: from etinc.com (et-gw-fr1.etinc.com [204.141.244.98]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id IAA28430 for ; Fri, 15 Nov 1996 08:46:55 -0800 (PST) Received: from ntws (ntws.etinc.com [204.141.95.142]) by etinc.com (8.6.12/8.6.9) with SMTP id LAA04351; Fri, 15 Nov 1996 11:52:30 -0500 Date: Fri, 15 Nov 1996 11:52:30 -0500 Message-Id: <199611151652.LAA04351@etinc.com> X-Sender: dennis@etinc.com X-Mailer: Windows Eudora Version 2.0.3 Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: John Hay From: dennis@etinc.com (dennis) Subject: Re: Decision in Router Purchase Cc: isp@freebsd.org Sender: owner-isp@freebsd.org X-Loop: FreeBSD.org Precedence: bulk >> >> Is SDL forthcoming with the technical information required >> >> to write and maintain drivers? >> >> >> >> Jim Shankland >> >> Flying Fox Computer Systems, Inc. >> >> >> > >> >Yes, I have written the driver with the information they have given me. >> >They have been very helpful. They even supplied and shipped 2 N2 boards >> >and a N2pci board from the USA to me here in South Africa. >> > >> >The bulk of the driver has to do with the Hitachi HD64570 chip that the >> >board is using and that information is in the Hitachi data sheets. The >> >information about how the chip is interfaced to the rest of the board >> >is actually very little, because most (all) of the work is done by the >> >chip. The rest of the board is actually just RAM, bus arbitration logic >> >and line drivers. >> >> gee, sounds just like their (and our) original "archaic" board designs! >> Wonder what Jim was talking about....... >> > >Maybe he was talking about the N2pci? It does not have its own RAM on >the card but use the system memory and get/put the data directly from/to >there. I thought that thats what YOU were talking about? Bus mastering is not a new design....its a design "choice". Dennis