Use the switch to enable the external floppy disk drive (DF1:) as the boot device. The DF1: device drive is then used as if it were the internal floppy disk drive (DF0:) and the internal drive is disabled. Switching back restores the internal drive as the DF0: boot device and
Compatibility
Amiga 500, 500/1500, 2000
Device Interface
Manual switch
Color
Multicolor
Installation
Replace floppy CIA chip 8520A with selector switch