From owner-freebsd-hardware Tue Sep 30 13:45:47 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id NAA20993 for hardware-outgoing; Tue, 30 Sep 1997 13:45:47 -0700 (PDT) Received: from jimi.danodom.com (jimi.danodom.com [205.153.247.99]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id NAA20975 for ; Tue, 30 Sep 1997 13:45:42 -0700 (PDT) Received: (from daniel@localhost) by jimi.danodom.com (8.8.3/8.8.3) id UAA03692; Tue, 30 Sep 1997 20:44:44 GMT Date: Tue, 30 Sep 1997 20:44:44 GMT Message-Id: <199709302044.UAA03692@jimi.danodom.com> From: Dan Odom MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: Randy Berndt Cc: freebsd-hardware@freebsd.org Subject: Re: Multiple serial ports In-Reply-To: <3.0.3.32.19970930150358.00732b2c@nething.com> References: <199709300128.BAA02166@jimi.danodom.com> <199709301841.SAA03454@jimi.danodom.com> <3.0.3.32.19970930150358.00732b2c@nething.com> X-Mailer: VM 6.22 under 19.15 XEmacs Lucid Sender: owner-freebsd-hardware@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Thanks for your help guys, you've been great. I think, however, that I'll spend the extra $500 or so and just buy a terminal server. It's easier. :-) Randy Berndt writes: > At 06:41 PM 9/30/97 GMT, you wrote: > >The Boca cards all say "does not support modems," > > Actually, the Boca-4 and Boca-8 do not support modems. The Boca-6 (never > seen one) and the Boca-16 DO support modems. The -16 uses a weird 10-pin > RJ-45 connection (cables available from Boca). I do not use modems on them, > but I have them null modem-ed to a mini-computer that thinks they are > modems, and everything seems to work ok. > > One BIG warning: The higher ports tend to lock up (even when all are at > 9600 baud). I ended up putting in two -16s and just using the bottom 8. I > think (emphasize THINK) the problem is buffer overflows on the upper ports. > I have patched the kernel to set the 16550 trigger to 8 from 14 to allow > more time, but have not yet hooked up the higher ports again. > > As always, your mileage may vary :) > > Randy Berndt > ---------------------------------- > AOS/VS, Win95, FreeBSD, WinNT, DOS, Win311: > I'm caught in a twisty little maze of operating systems, all different. -- Daniel Odom, software engineer http://www.danodom.com/ "Whatever you do will be insignificant, but it is very important that you do it." --Mahatma Gandhi