From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 6 Aug 2001 21:32:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 6 Aug 2001 21:32:42 -0400 Received: from paloma13.e0k.nbg-hannover.de ([62.159.219.13]:19077 "HELO paloma13.e0k.nbg-hannover.de") by vger.kernel.org with SMTP id ; Mon, 6 Aug 2001 21:32:35 -0400 Content-Type: text/plain; charset=US-ASCII From: Dieter =?iso-8859-1?q?N=FCtzel?= Organization: DN To: Riley Williams Subject: Re: 3c509: broken(verified) Date: Tue, 7 Aug 2001 03:00:43 +0200 X-Mailer: KMail [version 1.2.3] In-Reply-To: In-Reply-To: Cc: Linux Kernel List MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Message-Id: <20010807013236Z270022-28344+2122@vger.kernel.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Am Dienstag, 7. August 2001 01:11 schrieben Sie: > Hi Dieter. > > >> You mention the problem is being unable to change the media, I > >> was unaware this was even possible with the current 3c509 > >> driver, and most people do it on 3c509's and other PNP cards of > >> this sort (such as NE2000 clones) by using a DOS boot diskette > >> and the DOS utilities provided by the manufacturer. > > > > That's what I did. I've set it to "auto mode" and it works with > > RJ45 cable. But I can't verify if "full duplex" worked right. > > What transfer speed do you get doing an FTP transfer across the link? Don't know. I have to plug a laptop or something on it to test. Perhaps Dad's PC (but the later is still connected via switched 100 Mbits ;-) > 10base is theoretically capable of one meg per second, 1.25 MByte/sec (max) > and experience > indicates that a 10baseT link normally shows just under 500k per > second flat out, presumably due to the half duplex nature of the > 10baseT protocol. I'd expect 10base2 half duplex to be similar, and > 10base2 full duplex to be somewhat faster. I thought it should read 10baseT (with RJ45 cable) can reach 1.25 MByte/sec full duplex (switched)? > > > So I changed it under Win to "10baseT" for which the 3Com > > utilities say "full duplex" enabled. > > One slight problem - 10baseT uses CoAxial cable, not RJ45 - and, as > far as I'm aware, 10baseT is strictly half duplex whereas 10base2 > (which uses RJ45 twisted pair cable) is capable of either half or full > duplex. See above. Thanks, Dieter PS Before we go full OT I switch to private mode.