linux-kernel - Re: PC speaker

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Message-ID: <20100613010704.05e0b216@lxorguk.ukuu.org.uk>
Date:	Sun, 13 Jun 2010 01:07:04 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	"R.F. Burns" <burnsrf@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: PC speaker

On Sat, 12 Jun 2010 17:32:09 -0400
"R.F. Burns" <burnsrf@...il.com> 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.
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