From owner-freebsd-hardware@FreeBSD.ORG Sat Sep 25 01:13:21 2004 Return-Path: Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7840E16A4CF for ; Sat, 25 Sep 2004 01:13:21 +0000 (GMT) Received: from mail.acis.com.au (atlantis.acis.com.au [203.14.230.6]) by mx1.FreeBSD.org (Postfix) with SMTP id D477D43D39 for ; Sat, 25 Sep 2004 01:13:19 +0000 (GMT) (envelope-from andymac@bullseye.apana.org.au) Received: (qmail 25660 invoked from network); 25 Sep 2004 01:13:17 -0000 Received: from unknown (HELO bullseye.apana.org.au) (210.8.160.2) by atlantis.acis.com.au with SMTP; 25 Sep 2004 01:13:17 -0000 Received: from bullseye.apana.org.au (localhost.apana.org.au [127.0.0.1]) i8P00ppO044355; Sat, 25 Sep 2004 10:00:52 +1000 (EST) (envelope-from andymac@bullseye.apana.org.au) Received: from localhost (andymac@localhost)i8P00pDG044352; Sat, 25 Sep 2004 10:00:51 +1000 (EST) (envelope-from andymac@bullseye.apana.org.au) Date: Sat, 25 Sep 2004 10:00:51 +1000 (EST) From: Andrew MacIntyre To: Bruce Campbell In-Reply-To: <1041532923.3e1487fb50a0e@www.nexusmail.uwaterloo.ca> Message-ID: <20040925095643.F44318@bullseye.apana.org.au> References: <1041368236.3e1204ac45da5@www.nexusmail.uwaterloo.ca> <1041532923.3e1487fb50a0e@www.nexusmail.uwaterloo.ca> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: dwbear75@gmail.com cc: freebsd-questions@freebsd.org cc: freebsd-hardware@freebsd.org Subject: Re: ata "fallback to PIO mode" on dual processor AMD systems X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 25 Sep 2004 01:13:21 -0000 On Thu, 2 Jan 2003, Bruce Campbell wrote: > I've manually set: > > atacontrol mode 0 UDMA33 UDMA33 > > and the problem has not recurred. That sort of hints that there's some issue with the cabling, as UDMA33 is the highest you can go on a 40wire IDE cable. Going beyond requires an 80wire cable (& no longer than 450mm/18" as I recall). ------------------------------------------------------------------------- Andrew I MacIntyre "These thoughts are mine alone..." E-mail: andymac@bullseye.apana.org.au (pref) | Snail: PO Box 370 andymac@pcug.org.au (alt) | Belconnen ACT 2616 Web: http://www.andymac.org/ | Australia