Date: Sun, 23 Jul 1995 22:23:56 +0400 (MSD) From: =?KOI8-R?Q?=E1=CE=C4=D2=C5=CA_=FE=C5=D2=CE=CF=D7?= aka "Andrey A. Chernov, Black Mage" <ache@astral.msk.su> To: Terry Lambert <terry@cs.weber.edu> Cc: bde@zeta.org.au, hackers@freebsd.org, harry@hgac.com, jkh@violet.berkeley.edu Subject: Re: dial up at > 9600 baud Message-ID: <cVyEf4mW70@astral.msk.su> In-Reply-To: <9507230836.AA25387@cs.weber.edu>; from Terry Lambert at Sun, 23 Jul 95 2:36:50 MDT References: <9507230836.AA25387@cs.weber.edu>
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In message <9507230836.AA25387@cs.weber.edu> Terry Lambert writes: >> >I don't think I quite understand why the previous behaviour was a >> >problem in the first place -- perhas the original poster could explain >> >the rationale for his changes a bit better? >> >> >> The problem: initial port speed 9600, getty speed 38400 f.e., >> port opened on carrier at 9600, modem detects it and set >> connection to 9600 too, _then_ getty change port speed to 38400 >> confusing modem completely. >> >> I understand that problem solves by locking port on 38400 >> initially, but it isn't nice solution, getty must able >> to open port at correct speed setted in its flags. >I guess I still don't understand how the modem magically detects >the port speed when the port sets the baud before it says anything >(like "login: "). I don't know details, but modem is able to determine local interface speed, maybe during initial connect handshake. If modem stays in automatic connect rate selection, it never connects on speed which is greater its local serial interface speed. -- Andrey A. Chernov : And I rest so composedly, /Now, in my bed, ache@astral.msk.su : That any beholder /Might fancy me dead - FidoNet: 2:5020/230.3 : Might start at beholding me, /Thinking me dead. RELCOM Team,FreeBSD Team : E.A.Poe From "For Annie" 1849
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