From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262161AbULLWiB (ORCPT ); Sun, 12 Dec 2004 17:38:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262162AbULLWiB (ORCPT ); Sun, 12 Dec 2004 17:38:01 -0500 Received: from mail.dif.dk ([193.138.115.101]:12974 "EHLO mail.dif.dk") by vger.kernel.org with ESMTP id S262161AbULLWhx (ORCPT ); Sun, 12 Dec 2004 17:37:53 -0500 Date: Sun, 12 Dec 2004 23:48:13 +0100 (CET) From: Jesper Juhl To: Jan Engelhardt Cc: Linux Kernel ML Subject: Re: [WISHLIST] IBM HD Shock detection in Linux In-Reply-To: Message-ID: References: <1102888882.15558.2.camel@ksyrium.local> <1102889485.15558.5.camel@ksyrium.local> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 12 Dec 2004, Jan Engelhardt wrote: > >> >The code apparently can display the horizon, but cannot prevent > >> >shocks :( > >> > >> How can something prevent a shock if it does not know before? What I mean is > >> that if I smack a harddrive, it can hardly evade it... nor can it prevent me > >> from smacking it. > > > >It can only prevent shocks when it detects tilts... like when the laptop > >shakes in a moving vehicle for example.. > > Ah that's reasonable, like I'm dropping it (will probably tilt due to physics) > and then hit the ground. > But what will it do to prevent against the schock, now that it knows it is > tilted? > Knowing only what I could read here: http://www.pc.ibm.com/us/thinkpad/xseries/index.html#aps it would seem that it stops the harddrive. How effective that is I don't know - I have no further knowledge or experience with this. -- Jesper Juhl