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              by Bill Degnan - 01/08/2017 22:41 | 
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                  These drives are used in the Tandy 5mb drive and the Commodore D9060. The Commodore is a SASI drive. I wrote a post about how to replace the Tandon 602S with an ST-225 drive, here.
 I suggest you check the caps of the drive external drive controller using an ESR meter, and see if you can test the drive in an IBM PC or something easier to work on, to see if you have a good drive. Good Luck! Reply  | 
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