projects:floppotron

Floppotron

Pinout: http://www.interfacebus.com/PC_Floppy_Drive_PinOut.html

Floppy Drive A Pin Out

Pin No. Signal name Description
1 Ground
2 /REDWC Density Select 1=Low/0=High
3 Ground
4 N/C Reserved
5 Ground
6 N/C Reserved
7 Ground
8 /Index 0=Index
9 Ground
10 /MOTEA 0=Motor Enable Drive 0
11 Ground
12 /DRVSB Drive Select 1
13 Ground
14 /DRVSB Drive Select 0
15 Ground
16 /MOTEB 0=Motor Enable Drive 1
17 Ground
18 /DIR 0=Direction Select
19 Ground
20 /Step 0=Head Step
21 Ground
22 /WDATE Write Data
23 Ground
24 /WGATE Floppy Write Enable, 0=Write Gate
25 Ground
26 /TRK00 0=Track 00
27 Ground
28 /WPT 0=Write Protect
29 Ground
30 /RDATA Read Data
31 Ground
32 /SIDE1 0=Head Select
33 Ground
34 /DSKCHG 1=Disk Change/0=Ready

Connect pin 12 or 14 to ground to activate the drive.

Pin 18 HIGH/LOW selects direction of stepper motor.

Pin 20 moves stepper motor into selected direction on falling edge.

  • projects/floppotron.txt
  • Last modified: 2020/04/02 23:59
  • by marc