Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261931AbVEWSdQ (ORCPT ); Mon, 23 May 2005 14:33:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261929AbVEWSdP (ORCPT ); Mon, 23 May 2005 14:33:15 -0400 Received: from mail.dvmed.net ([216.237.124.58]:35785 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S261911AbVEWSdE (ORCPT ); Mon, 23 May 2005 14:33:04 -0400 Message-ID: <429221D8.90201@pobox.com> Date: Mon, 23 May 2005 14:32:56 -0400 From: Jeff Garzik User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.6) Gecko/20050328 Fedora/1.7.6-1.2.5 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Ivan G CC: linux-kernel@vger.kernel.org Subject: Re: DMA not works in Linux 2.6.12, but in Windows works fine. References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 624 Lines: 22 Ivan G wrote: > Problem descrition: > > DMA not works in Linux 2.6.12, but in Windows works fine. > > DMA not works with HDD and CD drives connected by 80-conductor > cable to secondary IDE port (ide1). This is expected behavior. This is a limitation of "combined mode". Turn off combined mode (sometimes called 'legacy' mode) in your BIOS, if your BIOS lets you. Jeff - 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/