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Reply-To: <abonilla@linuxwireless.org>
From: "Alejandro Bonilla" <abonilla@linuxwireless.org>
To: "'Lenz Grimmer'" <lenz@grimmer.com>, <linux-thinkpad@linux-thinkpad.org>
Cc: <linux-kernel@vger.kernel.org>
Subject: RE: [ltp] Re: IBM HDAPS Someone interested?
Date: Mon, 20 Jun 2005 11:17:37 -0600
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> I tried monitoring the output of the embedded controller register dump
> that the "ibm-acpi" kernel module provides, using the
> following command
> and then moving the Laptop (Thinkpad T42) to trigger changes:
>
>   watch -n1 cat /proc/acpi/ibm/ecdump
>
> Alas, there wasn't really a pattern that convinced me that the chip
> actually is monitored via this controller. But of course it
> may not harm
> if somebody else double checks this.
>
> > Well, some piece of software needs to park the HDD when the notebook
> > is falling, and that piece of software should better be
> running since
> > the notebook is powered on. Hence my suspicion it's in the BIOS. It
> > doesn't have to be visible to the user, at all.
>
> On Windows, you need to run a separate tray application that
> enables the
> protection. So it seems like it's implemented in "userspace".
> It may be
> worth debugging what this Window applet actually does...
>
> Bye,
> 	LenZ

Lenz,

	I will try this at home in about 4 hours and then let you know of the
output. This is really the first command that I can see that might give us
any/non information.

.Alejandro