Changes

The This signal on pin26 differs between floppy drives model:

*For 3inch floppy drives(pin26), it is a "Ready" signal. The RDY signal is sent whenever a disk is installed and rotating at correct speed in the drive.

*For 3.5inch floppy drives or Gotek(pin34), it is a "Disc Changed" signal. The DC signal determines whether the same disk loaded during the previous disk access is still in the drive.