Apple Performa 6400/180 - Manual (Page 83)

Troubleshooting Symptom Charts/Floppy Drive - 9
Floppy Drive
Disk does not eject 1 Insert opened paper clip into hole beside floppy drive.
2 Switch off system and hold mouse button down while
switching system on (to complete eject cycle).
3 Replace floppy drive.
Internal floppy drive
runs continuously
1 Replace bad disk with known-good disk.
2 Replace floppy drive.
3 Replace logic board. Retain customer’s DIMMs.