I heard you
I've got a old IBM 6 gig notebook hard drive that crashed. I've already pulled it apart, need to trim the motor from all the other aluminium and need to figure out the controller.
Would you like to put up a sketch of the way you connected the controller to the JMP?
BTW. It should be easy to make a controller with 1 PIC and 3 FETs .....
I'll post my details here once done.