Mailinglist Archive: opensuse (2162 mails)
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Re: [opensuse] hard drive pause when moving a laptop
- From: Randall R Schulz <rschulz@xxxxxxxxx>
- Date: Fri, 29 Aug 2008 06:43:38 -0700
- Message-id: <200808290643.38367.rschulz@xxxxxxxxx>
On Thursday 28 August 2008 23:17, jdd sur free wrote:
The detect the start of the fall, of course. The transition from 1G
(stationary) to 0G (falling). Long before the device hits the ground,
the heads are away from the platter and parked.
Lots of laptops have accelerometers, now. The newer MacBooks have them
and they can be accessed by user-level software leading some to write
games of the variety "roll the ball through the maze" and whatnot.
They're also used as motion detectors for theft alarms that can trigger
a lock-down, noise-making and whatnot. I'm not sure how effective that
would be, but it shows that people are imaginative about what you can
do with different kinds of sensors.
In the original IBM adds they repeated the phrase "it braces for impact"
several times. Hardly technically apt, but I suppose it gets the idea
across to the masses of those who work in the same garb as the guys in
that ad (suit and tie).
Randall Schulz
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Rodney Baker a écrit :
Actually, some laptops (notably ThinkPads) do have accelerometers
on board to detect the case of the laptop being dropped and park
the heads accordingly.
are you joking? in case of drop down, with ~80g acceleration, no head
mechanism will be fast enough to park any head.
The detect the start of the fall, of course. The transition from 1G
(stationary) to 0G (falling). Long before the device hits the ground,
the heads are away from the platter and parked.
if there is an accelerometer, there must be an other use
Lots of laptops have accelerometers, now. The newer MacBooks have them
and they can be accessed by user-level software leading some to write
games of the variety "roll the ball through the maze" and whatnot.
They're also used as motion detectors for theft alarms that can trigger
a lock-down, noise-making and whatnot. I'm not sure how effective that
would be, but it shows that people are imaginative about what you can
do with different kinds of sensors.
In the original IBM adds they repeated the phrase "it braces for impact"
several times. Hardly technically apt, but I suppose it gets the idea
across to the masses of those who work in the same garb as the guys in
that ad (suit and tie).
jdd
Randall Schulz
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To unsubscribe, e-mail: opensuse+unsubscribe@xxxxxxxxxxxx
For additional commands, e-mail: opensuse+help@xxxxxxxxxxxx
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