Why do macbooks have motion sensors?

EricNau

Moderator emeritus
Apr 27, 2005
10,649
31
San Francisco, CA
They have an SMS (Sudden Motion Sensor) to detect a fall. ...If it is dropped, the HD takes preventative measures to try and escape damage (or at least protect your data).
 

jamesarm97

macrumors 65816
Sep 29, 2006
1,061
65
There are many 3rd party uses, the coolest being changing desktops via hitting a Mac (with VirtueDesktops) and some games...
Yeah, I have seen those but could not get past the wacking my computer screen thinking it would damage the HDD or screen somehow.

- James
 

psychofreak

Retired
May 16, 2006
9,064
4
London
Yeah, I have seen those but could not get past the wacking my computer screen thinking it would damage the HDD or screen somehow.

- James
Its hardly a whack needed, in fact the sensitivity is user adjustable, and can be a light tap, no worse to the HD than pressing your fingers down to type fast...
 

mkrishnan

Moderator emeritus
Jan 9, 2004
29,777
12
Grand Rapids, MI, USA
Yeah, I have seen those but could not get past the wacking my computer screen thinking it would damage the HDD or screen somehow.
Well, do bear in mind, that, ironically, the SMS is still serving its original purpose, which is exactly to avoid your HD being damaged in just such a case as this. ;) I.E. if the HD parks instead of the screen changing, you're hitting it way the frack™ too hard. :D
 

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