Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964786AbXBEWvU (ORCPT ); Mon, 5 Feb 2007 17:51:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964830AbXBEWvU (ORCPT ); Mon, 5 Feb 2007 17:51:20 -0500 Received: from srv5.dvmed.net ([207.36.208.214]:46332 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964786AbXBEWvT (ORCPT ); Mon, 5 Feb 2007 17:51:19 -0500 Message-ID: <45C7B4E3.8070802@garzik.org> Date: Mon, 05 Feb 2007 17:51:15 -0500 From: Jeff Garzik User-Agent: Thunderbird 1.5.0.9 (X11/20061219) MIME-Version: 1.0 To: Oleg Verych CC: Alan , Allen Martin , linux-kernel , Bartlomiej Zolnierkiewicz Subject: Re: Nvidia cable detection problems & ACPI (beware, slight off-top) References: <45C72012.7050605@gmail.com> <20070205132247.6f611e3c@localhost.localdomain> <45C73A3E.6080700@gmail.com> <20070205143439.6962c076@localhost.localdomain> <45C7444F.4070500@gmail.com> <58cb370e0702050709w1b7682dr5dff9e7ce69465a@mail.gmail.com> <20070205220442.6e13a7b6@localhost.localdomain> <45C7A7D0.407@garzik.org> <20070205224235.GB28048@flower.upol.cz> In-Reply-To: <20070205224235.GB28048@flower.upol.cz> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.3 (----) X-Spam-Report: SpamAssassin version 3.1.7 on srv5.dvmed.net summary: Content analysis details: (-4.3 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 789 Lines: 22 Oleg Verych wrote: >> We also need ACPI, where available, because that's the only way to >> obtain a BIOS-set hard drive password. > > Plain-text passwords -- i don't actually know, if they are useful at all. > What if BIOS has admin/user passwords set? > (kernel: if you have BIOS password, press RESET; if you don't press POWER ;) It's not a matter of usefulness, but of accessing data. The password must be provided to the hard drive at the ATA command level, otherwise the hard drive will simply refuse to read or write data. 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/