From owner-freebsd-hardware Tue Jan 27 15:32:39 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id PAA12238 for hardware-outgoing; Tue, 27 Jan 1998 15:32:39 -0800 (PST) (envelope-from owner-freebsd-hardware@FreeBSD.ORG) Received: from critter.freebsd.dk (critter.freebsd.dk [195.8.129.14]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id PAA12086 for ; Tue, 27 Jan 1998 15:31:52 -0800 (PST) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (localhost.cybercity.dk [127.0.0.1]) by critter.freebsd.dk (8.8.7/8.8.5) with ESMTP id AAA01021; Wed, 28 Jan 1998 00:14:44 +0100 (CET) To: Kedar cc: Mike Smith , freebsd-hardware@FreeBSD.ORG Subject: Re: Serial I/O. In-reply-to: Your message of "Tue, 27 Jan 1998 14:33:15 PST." <2.2.32.19980127223315.017e413c@gw1> Date: Wed, 28 Jan 1998 00:14:44 +0100 Message-ID: <1019.885942884@critter.freebsd.dk> From: Poul-Henning Kamp Sender: owner-freebsd-hardware@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org In message <2.2.32.19980127223315.017e413c@gw1>, Kedar writes: >>> > 3) The BIOS serial communications should require no fancy communications >>> > protocols, ie. we should be able to use a dumb terminal. >>This is quite specialised; depending on what you want to do with the >>BIOS you might be able to live without this if you set it up right >>beforehand. > > O.K. We are thinking of having somebody customize the BIOS for this >purpose. Using SBC's. Would rather use regular motherboards. Never done >it, don't know how difficult/easy it is. Actually, why not make an isa card with some dual-port ram at the right addresses so it looks like a videocard (CGA!) and a simple microcontroller driving a RS-232 port to the dumb terminal ? This would work with standard motherboards... (I'll buy one or two if you make them !) -- Poul-Henning Kamp FreeBSD coreteam member phk@FreeBSD.ORG "Real hackers run -current on their laptop." "Drink MONO-tonic, it goes down but it will NEVER come back up!"