From owner-freebsd-hackers Sat Feb 24 04:31:37 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id EAA24939 for hackers-outgoing; Sat, 24 Feb 1996 04:31:37 -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 EAA24931 for ; Sat, 24 Feb 1996 04:31:35 -0800 (PST) Received: from msmith@localhost by genesis.atrad.adelaide.edu.au (8.6.12/8.6.9) id XAA26948; Sat, 24 Feb 1996 23:00:25 +1030 From: Michael Smith Message-Id: <199602241230.XAA26948@genesis.atrad.adelaide.edu.au> Subject: Re: 230.400 bps on serial port To: bde@zeta.org.au (Bruce Evans) Date: Sat, 24 Feb 1996 23:00:25 +1030 (CST) Cc: msmith@atrad.adelaide.edu.au, terry@lambert.org, hackers@FreeBSD.org, petzi@zit.th-darmstadt.de In-Reply-To: <199602240945.UAA29074@godzilla.zeta.org.au> from "Bruce Evans" at Feb 24, 96 08:45:52 pm MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@FreeBSD.org Precedence: bulk Bruce Evans stands accused of saying: > > >You get 230,400 by doubling your crystal (~3.6) and dividing for 115,200. > >Quatech do a dual port card (the DS-100) with an 18MHz (10x) crystal and > >a jumper-selectable divider (/1, /2, /5 or /10). > > Who sells these? Quatech 8) We buy them from Interworld; if you can't track them down, I can give you more details. (Note that we've had a really bad run with these cards in fast machines; there's a trace to cut that helps in some systems, but others still lose. The symptoms seem to imply a timing problem 8( ) > >> My personal opinion is that the Intel parts are utter crap. > > >Hear Hear! > > Do you prefer NS parts? :-) Is this a loaded question? Bus overhead or not, I'd prefer to use ESCC's. > >All of the cheap MIDI interfaces are 6850 emulations. Wonder why? > > Cheaper crap. One possibility. The other is that most other MIDI interfaces (keyboards, Atari's) are 6850's as well. I sniff a crummier motive 8) > Bruce -- ]] 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 [[ ]] Collector of old Unix hardware. "Where are your PEZ?" The Tick [[