Opening up an RD54 Disk

17 Sep 2011

...
    Just wondering if anyone has any advice?  
 Why do you wnt to do this ('how destructive can it be' :-))?  
 Very *non*-destructive. I want to see if the heads move when I start the
 disk up. 
Do you hafwe a clean room?

Remember the RD54 is fairly high capacity and that the flying height of 
the heads is reduced as the bit density is increased. So I would think 
the RD54 is more susceptable to headcrashes from internal contaminants 
than many other ST412-interfaced hard drives.

Have you done the obvious external tests first, like checking if there's 
any current trhoguh the positioner coil?If nto, the heads certianly won't 
be moving, and the fualt is most likely on the logic board. 

-tony

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Opening up an RD54 Disk