I've heard the tunes. In my case, they came from Seagate harddrives.
Generally mid-1990's ones, and I've yet to figure out how to fix them when
they do that, but I DO know what is is inside them that makes the sound.
The magnetic pickup inside the HD swings on an arm so it can access any
track of the HD, and that arm is moved across its reach not by a stepper,
but by a voicecoil. And if the circuit that controls the positioning of the
arm goes unstable, it can make tones, squawks, horrible clanking noises
-- And yet still work, ...sometimes... usually not for long.
One such HD I saw do that was quite new and was sent back for warranty.
The one they replaced it with was same model# and worked fine.
Regrettably, this doesn't help you retrieve your lost data.
Matt Sissons wrote:
> Hi,
>
> My 120 gig hard drive (maxtor diamondmax 9+) won't detect at all and
> insists on playing a little tune to me instead - (snip)
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