On Tuesday 04 February 2003 07:00 am, you wrote:

> No clue what the crashing hard drives is on about, There a sealed
> unit with a little bubble that expands and contracts to take into
> account barometric pressure changes. What would cause them to crash
> at 0 barometric pressure. I know a laptop can work fine at over 8000
> meters (Everest) unpressurized at about 100 below zero if you keep
> the batteries next to your body to keep them warm.

I'm guessing that rapid depressurization of the drive could result in a=20
head crash due the turbulence of the escaping air.  Plus, how would the=20
head "fly" with no air present?  It seems reasonable that the drive=20
heads depend upon standard atmospheric pressure to keep the heads at=20
the proper distance from the platter.

michael brown

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