From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752864Ab0FLX6G (ORCPT ); Sat, 12 Jun 2010 19:58:06 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:59290 "EHLO www.etchedpixels.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752785Ab0FLX6E (ORCPT ); Sat, 12 Jun 2010 19:58:04 -0400 Date: Sun, 13 Jun 2010 01:07:04 +0100 From: Alan Cox To: "R.F. Burns" Cc: linux-kernel@vger.kernel.org Subject: Re: PC speaker Message-ID: <20100613010704.05e0b216@lxorguk.ukuu.org.uk> In-Reply-To: References: X-Mailer: Claws Mail 3.7.6 (GTK+ 2.18.9; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 12 Jun 2010 17:32:09 -0400 "R.F. Burns" wrote: > Is it possible to write a kernel module which, when loaded, will blow > the PC speaker? Not really. You can do damage to some PCs by attacking other bits of the hardware (erasing the bios etc) but they are actually a lot better protected nowdays then some years back. If you don't have the root password and expertise I imagine throwing it out of the window or feeding it iron filings will work just as well. That is physical system access tends to imply you can break it.