From owner-freebsd-hackers Thu Feb 1 17:04:43 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id RAA17688 for hackers-outgoing; Thu, 1 Feb 1996 17:04:43 -0800 (PST) Received: from genesis.atrad.adelaide.edu.au (genesis.atrad.adelaide.edu.au [129.127.96.120]) by freefall.freebsd.org (8.7.3/8.7.3) with ESMTP id RAA17681 for ; Thu, 1 Feb 1996 17:04:38 -0800 (PST) Received: from msmith@localhost by genesis.atrad.adelaide.edu.au (8.6.12/8.6.9) id LAA25593; Fri, 2 Feb 1996 11:49:28 +1030 From: Michael Smith Message-Id: <199602020119.LAA25593@genesis.atrad.adelaide.edu.au> Subject: Re: Watchdog timers (was: Re: Multi-Port Async Cards) To: bakul@netcom.com (Bakul Shah) Date: Fri, 2 Feb 1996 11:49:28 +1030 (CST) Cc: hackers@FreeBSD.org In-Reply-To: <199602010721.XAA06480@netcom22.netcom.com> from "Bakul Shah" at Jan 31, 96 11:21:48 pm MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@FreeBSD.org Precedence: bulk Bakul Shah stands accused of saying: > > May be one of those single board computers (aka SBC) built > around a 286 will do the trick? 2ser+1par+memory+cpu etc. > are all on an ISA card and you can plug one or more of these > in an ISA `passive backplane'. If you are in the SF Bay I can think of better and cheaper ways to make smoke with my computer. Stuffing alfoil into the ISA slots comes to mind. > Another alternative is to use a robotics board like a > `miniboard' or a `handyboard'. Both are designed by Fred > Martin of MIT Media Labs. Handyboard has 32K battery backed > SRAM. Other than that they are fairly similar. They are > based on mc68hc11 which is an 8 bitter with on chip EEROM > (or PROM) + some RAM, timers, serial I/O, 8 analog inputs, > many digital input/outputs etc. With suitable sensors you IIRC, these guys are F1-based. Try getting P&A on an F1 these days. Seriously, you're wandering into gross overkill here. -- ]] Mike Smith, Software Engineer msmith@atrad.adelaide.edu.au [[ ]] Genesis Software genesis@atrad.adelaide.edu.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control (ph/fax) +61-8-267-3039 [[ ]] "wherever you go, there you are" - Buckaroo Banzai [[