At 05:47 PM +1000 04/04/2004, Adam wrote:
> Hard drives don't spin until they're told to. This is normal,
 although many default configs/people override it.  It's done to
 reduce the initial current draw (load) when a system boots.

The intial clicking sounds, btw, were the logic and head actuator self-tests.


I don't know if it makes any difference, but the drive doesn't just make one or
two click when you first turn it on. Instead it makes a rapid, soft,
clic-clic-clic-clic-click sound and will do so indefinately, until I finally
turn on the Mac and have it spin up.


I can't check to make sure at the moment, but I think it then stops and reverts
back to its constant clicking when I turn the Mac off.

If it's doing it continuously while the before/after the mac is booted, then there's perhaps a problem with the drive logic. Might be a good idea to keep good backups and work on obtaining a replacement drive.


- Dan.

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