HowTo write floppy disk images

Download the floopy disk image file to your Desktop.
Insert a floppy disk into your floppy drive

Run the Disk Utility application
Click on the floppy disk device (orange icon)
Click on the Info button
Look for the Disk Identifier (diskN)

If the floppy disk is mounted,
Click on the floppy disk filesystem (black icon)
click on "Unmount"

Launch a Terminal window

] cd Desktop
] sudo bash

Warning, next step will destroy any existing data on the floppy disk

# dd if=imagefile of=/dev/diskN


Switch to Disk Utility
Click on the Floppy Disk device
Click Eject
Remove your floppy disk from the drive