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Article #68850

Re: Revival of a dead HDD - Help

#68850
From: Mike Clarke
Date: Wed, 24 Apr 1996 00:00
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In article <MBXaIDA+hjfxEwVq@hmsl-group.co.uk>, "Max D. Wilkinson"
<Max@hmsl-group.co.uk> writes:

>In article <830301092snz@myth.demon.co.uk>, Mike <zeus@myth.demon.co.uk>
>writes
>>Could it be the infamous 'stiction'? The grease on the internal drive
>>bearings thins and causes the motor to stall. Give it a careful tap on the
>>bearing if you can. You could always try another power lead too.
>NO. Never tap a HD, unless you like the head bouncing on the platter. To
>cure stiction spin/rotate, wrist action as if turning a screw top
>quickly, to turn disk inside case.

I've generally found your suggested method of dealing with stiction to
be more effective than tapping the drive (provided you give a really
sharp twist) but you're being a bit over cautious with the warnings.

Kid glove treatment was needed back in the Good Old Days when disks were
the size of washing machines, and shufled across the floor as the heads
moved. Modern disks are much more robust than most people assume, for
example Seagate quote a maximum operational shock of 10G and a non
operational limit of 75G for their Medalist range. That's more than the
human body can stand.

Having seen a disk drive survive falling of a desk these thoughts are
based on experience as well as the specs.

-- 
Mike Clarke
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From: Mike Clarke <mike@helix.demon.co.uk>
Subject: Re: Revival of a dead HDD - Help
Date: 1996/04/24
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