From owner-freebsd-isp Thu Nov 14 23:02:39 1996 Return-Path: owner-isp Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id XAA20605 for isp-outgoing; Thu, 14 Nov 1996 23:02:39 -0800 (PST) Received: from zibbi.mikom.csir.co.za (zibbi.mikom.csir.co.za [146.64.24.58]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id XAA20564 for ; Thu, 14 Nov 1996 23:02:15 -0800 (PST) Received: (from jhay@localhost) by zibbi.mikom.csir.co.za (8.7.6/8.7.3) id JAA06790; Fri, 15 Nov 1996 09:00:57 +0200 (SAT) From: John Hay Message-Id: <199611150700.JAA06790@zibbi.mikom.csir.co.za> Subject: Re: Decision in Router Purchase In-Reply-To: <199611142224.RAA27830@etinc.com> from dennis at "Nov 14, 96 05:24:47 pm" To: dennis@etinc.com (dennis) Date: Fri, 15 Nov 1996 09:00:57 +0200 (SAT) Cc: isp@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL24 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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. John -- John Hay -- John.Hay@mikom.csir.co.za