Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!seismo!cmcl2!yale!husc6!rutgers!lll-crg!lll-lcc!qantel!ptsfa!gilbbs!altunv!brad From: brad@altunv.UUCP (Brad Silva) Newsgroups: net.dcom Subject: Re: unasked-for autobauding Message-ID: <21@altunv.UUCP> Date: Fri, 10-Oct-86 19:49:18 EDT Article-I.D.: altunv.21 Posted: Fri Oct 10 19:49:18 1986 Date-Received: Sat, 11-Oct-86 21:37:41 EDT References: <7208@utzoo.UUCP> Organization: The Alternate Universe, Santa Rosa CA Lines: 34 Summary: Model 100 autobuad, handshaking probably. In article <7208@utzoo.UUCP>, henry@utzoo.UUCP (Henry Spencer) writes: > As is now usual enough, the modems on our phone lines speak both 1200 and > 300 baud, and some of them speak 2400 as well. Their autobauding sequence > goes from high speeds to low ones. I've noticed an interesting phenomenon > on the rare occasions when I dial in using the 300-baud built-in modem in > my Model 100: I get a bit of trash, probably the login message at 1200, > and then all by itself the system decides that I'm at 300 baud and gives > me a 300-baud login. Understand, this is without my ever touching a key > and without the Model 100 being programmed (that I know of) to send anything. > I'm not complaining, but I don't understand why it happens. Our system > definitely wants a framing error to tell it that it's got the wrong speed, > and I don't see what I'm doing that would cause one. Any ideas? > -- > Henry Spencer @ U of Toronto Zoology > {allegra,ihnp4,decvax,pyramid}!utzoo!henry I have a model 100 also (*WONDERFUL* little computer), and noticed the same thing happening when I logged in to my Unix box. I finally traced it down to the following: When the model 100 recieves the garbage, it's VERY slow LCD logic cannot keep up with it, and issues a , and then a , which the autobaud routines see, and step down to 300 baud. This does not seem to be a real problem, but if you want to eliminate it you can turn off the handshaking (it's not really needed at 300 baud), and it goes away. -- ---------------- Brad Silva "Seeker" ...!ptfsa!gilbbs!altunv!brad No disclaimer No cute joke No nothin' .... Yet! ---------------