Floppy Disk Drive connector (34-way)

Standard 3.5 / 5.25 inch Floppy Disk Interface pinout.

All signals active-low.

Gnd 1 o o 2 TG43
Gnd 3 o o 4  
Gnd 5 o o 6  
Gnd 7 o o 8 Index
Gnd 9 o o 10 Drive 0
Gnd 11 o o 12 Drive 1
Gnd 13 o o 14  
Gnd 15 o o 16 Head Load
Gnd 17 o o 18 Step in
Gnd 19 o o 20 Step
Gnd 21 o o 22 WRT Data
Gnd 23 o o 24 Write Gate
Gnd 25 o o 26 Track 00
Gnd 27 o o 28 Write Prot
Gnd 29 o o 30 Raw Data
Gnd 31 o o 32 Side 1
Gnd 33 o o 34 Ready