The 5 1/4-inch floppy drives have good stepper motors in them. If you
save the motor, the control card, and the power supply, you have a
stepper motor system. With a second (working) computer, you can control
the stepper motor.
Steven T. Ratliff
Associate Professor of Physics
Northwestern College
3003 Snelling Ave. N.
St. Paul, MN 55113-1598
U. S. A.