Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 9 Sep 2002 16:59:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 9 Sep 2002 16:59:16 -0400 Received: from pc1-cwma1-5-cust128.swa.cable.ntl.com ([80.5.120.128]:240 "EHLO irongate.swansea.linux.org.uk") by vger.kernel.org with ESMTP id ; Mon, 9 Sep 2002 16:59:11 -0400 Subject: Re: Western Digital hard drive and DMA From: Alan Cox To: adamjaskie@yahoo.com Cc: Mark Hahn , linux-kernel@vger.kernel.org In-Reply-To: <02090818282009.00459@aragorn> References: <02090818282009.00459@aragorn> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.8 (1.0.8-6) Date: 09 Sep 2002 22:06:40 +0100 Message-Id: <1031605601.29718.47.camel@irongate.swansea.linux.org.uk> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 921 Lines: 18 On Sun, 2002-09-08 at 23:28, Adam Jaskiewicz wrote: > > if you have noisy cables and someone turns off udma, > > yes, you could certainly see corruption. if you can > > possibly ever use udma, it's a very good idea to do so; > > How do I enable UDMA as opposed to just DMA? I was having trouble with DMA, > but no trouble (other than VERY slow access) without DMA. I have an 80 > conductor cable SOMEWHERE (probably in the bottom of a box in the basement > lol) but im almost certain the cables in there now arent more than 18 inches, > as its a fairly stock Dell system, and has the original ribbon cables. UDMA is on so that doesn't explain what is happening at all - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/