From owner-freebsd-current Mon Dec 9 1:56:52 2002 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C55D737B401 for ; Mon, 9 Dec 2002 01:56:51 -0800 (PST) Received: from firewall.isd.dp.ua (isd-as20897.isd.dp.ua [193.108.163.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id EB77F43F41 for ; Mon, 9 Dec 2002 01:56:47 -0800 (PST) (envelope-from voland@lflat.org) Received: from server.isd.dp.ua (server.isd.dp.ua [193.108.162.3]) by firewall.isd.dp.ua (8.12.6/8.12.6) with ESMTP id gB99tSea074546; Mon, 9 Dec 2002 11:55:44 +0200 (EET) (envelope-from voland@lflat.org) Received: from lflat.org (natty.isd.dp.ua [193.108.162.210]) by server.isd.dp.ua with SMTP (Microsoft Exchange Internet Mail Service Version 5.5.2653.13) id YRB1YLKK; Mon, 9 Dec 2002 11:55:28 +0200 Message-ID: <3DF4689F.5040702@lflat.org> Date: Mon, 09 Dec 2002 11:55:43 +0200 From: Vadim Belman User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.2b) Gecko/20021202 X-Accept-Language: en, en-us, ru MIME-Version: 1.0 To: Bruce Cran Cc: current@freebsd.org Subject: Re: ATACD issues slowly coming back... References: <200212061435.45583.cbiffle@safety.net> <20021208222838.GA3422@fourtytwo.gamesoc> <200212081943.48765.cbiffle@safety.net> <20021209094638.GA4938@fourtytwo.gamesoc> In-Reply-To: <200212061435.45583.cbiffle@safety.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.25 (www . roaringpenguin . com / mimedefang) Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Bruce Cran wrote: > Your CD drive should indeed support UDMA33 - my DVD drive supports > UDMA33, and my CDRW supports multi-word DMA, even though my BIOS only > ever configures it for PIO4, and my DVD for UDMA33. FreeBSD only ever > configures them for PIO during bootup, but, using the atacontrol > program, it configures them both for maximum speed, even knowing they > _can_ only do UDMA33,WDMA2. If you have a look at sysctl hw.ata tree, it'll give you the clue on how to overcome this behaviuor. In simple words, what you need is to poot hw.ata.atapi_dma=1 in your /boot/loader.conf and have the nirvana of automatic DMA detection... -- /Voland Vadim Belman http://www.lflat.org http://www.lflat.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message