DSK - Floppy Disk Drive Duties Map the physical floppy drive to usb Parts TEAC FD-335HF 26-pin floppy drive Arduino Compatible Microcontroller Drive References Pin Signal Pin Signal 1 +5V 2 Index 3 +5V 2 Drive Select 5 +5V 2 Disk Change 7 NC 2 Ready 9 HD OUT 2 Motor On 11 NC 2 Direction Select 13 NC 2 Step 15 GND 2 Write Data 17 GND 2 Write Gate 19 NC 2 Track 00 21 NC 2 Write Protect 23 GND 2 Read Data 25 GND 2 Side One Select