From: Stuart Tedford <stuart.tedford_at_piresearch.co.uk>
Date: Tue, 14 Dec 2004 17:46:28 -0000

> -----Original Message-----
> From: Jürgen Hestermann
>
> Do all drives do this when spinning down? If the cache
> could be saved it would prevent spin up for quite a long time
> and therefore save batterie drain. I think that disk manufacturers
> should have considered this kind of usage (especially for disks
> used in mobile environments).
>
AFAIK yes they all do it, allthough only if you have the poweroff setting
enabled - ie. cutting power to the drive, that erases the cache.

I agree, it would be great if the internal drive firmware was changed to
allow the cache to be nearly emptied before the actual disk spun up again.
Maybe one day a drive manufacturer will do this, especially now that the
portable drive market is not limited to laptops anymore.

Stu.
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Received on 2004-12-14