From owner-freebsd-hardware Fri Jun 28 11:38:42 1996 Return-Path: owner-hardware Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id LAA20388 for hardware-outgoing; Fri, 28 Jun 1996 11:38:42 -0700 (PDT) Received: from po1.glue.umd.edu (po1.glue.umd.edu [129.2.128.44]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id LAA20381 for ; Fri, 28 Jun 1996 11:38:39 -0700 (PDT) Received: from thurston.eng.umd.edu (thurston.eng.umd.edu [129.2.103.25]) by po1.glue.umd.edu (8.7.5/8.7.3) with ESMTP id OAA22091; Fri, 28 Jun 1996 14:38:24 -0400 (EDT) Received: (from chuckr@localhost) by thurston.eng.umd.edu (8.7.5/8.7.3) id OAA01543; Fri, 28 Jun 1996 14:38:23 -0400 (EDT) Date: Fri, 28 Jun 1996 14:38:23 -0400 (EDT) From: Chuck Robey X-Sender: chuckr@thurston.eng.umd.edu To: Kevin Swanson cc: freebsd-hardware@freebsd.org Subject: Re: muliport boards - building a PPP dialup server In-Reply-To: <9606281800.AA05807@BLaCKSMITH.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-hardware@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Fri, 28 Jun 1996, Kevin Swanson wrote: > I was told by Digi that their "dumb" 8-port boards (PC/8), could only go up > to 19.2 KBps if you used 16550's. This doesn't sound right based on some of > the responses I've been getting. I've been using it at 38.4KBps, but I haven't been exercising all the ports of my 8 port card. I still think that's a low value for the 16550s, I think the limiting value would be the ISA bus and the efficiency of the sio driver in reading the UARTS, not the hardware. > > Someone mentioned using a Cyclades-8 port serial card at 115.2 KBps. Is that > with 16550's? > > Thanks for all of the responses. > > Kevin Swanson > > Kevin_Swanson@BLaCKSMITH.com > > ----------------------------+----------------------------------------------- Chuck Robey | Interests include any kind of voice or data chuckr@eng.umd.edu | communications topic, C programming, and Unix. 9120 Edmonston Ct #302 | Greenbelt, MD 20770 | I run Journey2 and n3lxx, both FreeBSD (301) 220-2114 | version 2.2 current -- and great FUN! ----------------------------+-----------------------------------------------