USB flux hardware can allow any modern PC to read and write back ANY floppy disk drive regardless of protection or format, these devices can also be used to write back download disk images in a multitude of disk image formats such as adf. ipf, hfe and scp
These devices ignore the disk formatting structure of the specific system eg Amiga or Atari ST and read the raw magnetic flux data from the disk
This means that all data is captured along with the protection See Image below it shows a representation of the flux data from an Amiga game – captured from a 3.5″ Double Density Floppy Disk game