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635 posts

Ultimate Geek
Inactive user

#57468 14-Feb-2010 22:21
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I decided to have some fun with some old hard drives.

I did a surface test on a 40Gb Maxtor to make sure it was ok - and it passed. Took 29min.

I then remove the cover of my HDD exposing the platters and did the same test. I might add at this point my room is in no way clean to the point of having no dust nor is it a clean room.

Any takers on what happened when I did the surface test with the platters exposed?

Will post the answer tomorrow.


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635 posts

Ultimate Geek
Inactive user

  #299260 15-Feb-2010 20:41
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Okay, nobody game for a guess eh?

Well amazing it completed the surface test without errors.

I am guessing the speed of it spinning kept the dust off. Might try it after leaving the cover off and not running.....

1096 posts

Uber Geek

  #299267 15-Feb-2010 20:49
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Yup, the wind movement will keep any dust from settling on the platters.

Interesting test is to blow smoke on the drive (I don't smoke but a friend does - Dirty habit by the way IMO)

Last time I played with drives like that I managed to put a few big scratches across the drive, at idle the drive heads did not pass over it so it kept running (at that point only had power connected so Windows wouldn't access it)


3000 posts

Uber Geek


  #299268 15-Feb-2010 20:49
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I had a hard drive run (Segate U8) for a year with it's platters exposed and no cover, it eventually only failed due to corrosion from the alu platters fouling the surface. Admittedly the machine it was running in was an AT case with no fans whatsoever. (even power supply was unusually fan less, never seen another one like it)

A newer drive however (Seagate barracuda) was not able to make it to maximum velocity without it's top cover on.


635 posts

Ultimate Geek
Inactive user

  #299275 15-Feb-2010 20:54
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Anyone done HSA swap?

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