FD235HFA529 to 720K Emulation

 

Please note that this change in the configuration of your drive, VOIDS the warranty! 

  1. This type of configuration is mostly used by computer systems that require a 720K disk drive and we provide this information as courtesy, since 720K disk drives have been discontinued for quite some time.
     

  2. To emulate the FD235HFA529 model as a 720K drive only, make a bridge in (solder across) jumper S14 in the printed circuit board assembly (PCBA).
     

  3. There is no need loosen the screws, nor open the drive. The PCBA board is not covered by the bottom shield, and you should be able to find S14 immediately. Refer to figure A below to identify jumper S14:

Figure A

  1. Remove the jumper for the automatic density (HA) in line G, refer to figure B below.


Figure B

  1. Then, you need to configure the CMOS in your computer for a 720K, 3.5" floppy disk drive. Refer to your user's guider for CMOS access information.
     

  2. For NON-PC purposes, you need to contact the manufacturer, and find out if this model would be suitable for your application.