From owner-freebsd-questions Wed Mar 22 12:50:30 1995 Return-Path: questions-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id MAA14402 for questions-outgoing; Wed, 22 Mar 1995 12:50:30 -0800 Received: from cs.weber.edu (cs.weber.edu [137.190.16.16]) by freefall.cdrom.com (8.6.10/8.6.6) with SMTP id MAA14396 for ; Wed, 22 Mar 1995 12:50:28 -0800 Received: by cs.weber.edu (4.1/SMI-4.1.1) id AA11835; Wed, 22 Mar 95 13:43:54 MST From: terry@cs.weber.edu (Terry Lambert) Message-Id: <9503222043.AA11835@cs.weber.edu> Subject: Re: uucp / serial port / modem problem To: didier@aida.remcomp.fr (Didier Derny) Date: Wed, 22 Mar 95 13:43:53 MST Cc: freebsd-questions@FreeBSD.org In-Reply-To: from "Didier Derny" at Mar 22, 95 09:05:22 pm X-Mailer: ELM [version 2.4dev PL52] Sender: questions-owner@FreeBSD.org Precedence: bulk > I recently replaced my old sportster 14400 by a brand new sportser 28800. > Every thing worked fine with my old modem but with the new modem I'n > not able to transfer more than 400kb before the connection hangs. > > I tried several modem paramter combinations, > uucp parameters configuretions, > some modifications in the 16550 fifo thresold but > without any success. > > If fact the problem occurs as soon as the speed is about 19200bds (on > the modem) I tried the serial port speed at 38400, 57600 and 115200 bds. What is the modem on the other end? US Robotics and several other modems have known hang problems when talking to modems on the other end that have RockWell chipsets. US Robotics is aware of the problem; the current workaround is to use the same modem type on both ends. Terry Lambert terry@cs.weber.edu --- Any opinions in this posting are my own and not those of my present or previous employers.