HDD spin down and read cache

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Can a hard disk read ahead it full buffer, then told to spin down, and still
read the cache/buffer?

Can it then be spun up say when your 75% through it and filled again with
missing a beat?

I wold like to use the 8M buffer in the drive and not add a buffer to the
project, I am streaming MP3's....

Richard.



Re: HDD spin down and read cache

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This behavior is not characterized. From experience, drives will always
spin up if you issue a Read Sectors command (on the assumption that
this read command signals the start of further system activity).
Certain specific drives may have other behavior.


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