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PLR ELECTRONICS. We specialize in embroidery machine circuit board repair and upgrades.

USB Floppy Drive Pin Identification Chart




This page is to help you identify details about your floppy drive so that we may send the correct model.

Please look at the back of your floppy drive and count how many pins are on the larger data connector. Note where pin 1 is, it is either marked on the metal or marked on the silkscreen writing on the circuit board. The colored stripe on the ribbon cable is also an indicator, but not a perfect indicator and pin 1 may actually be on the other side.


Pin count Picture of USB Floppy
Standard 34 pin floppy.

Please inspect whether the 4-pin plug is used or not.

Note that a pin may be missing from pin 3, to help identify pin 1.

Note there may be a jumpers on your floppy drive.
Picture of the back of a 34-pin USB floppy drive
26 pin standard cable floppy

There is no separate power plug.
Picture of the back of a 26 pin floppy drive.
26 pin FPC/FFC

Flat flexible cable floppy replacement for the Teac FD-05, FD-04, and similar.

There will be no separate power cable.

Picture of the back of a 26 pin FFC/FPC floppy drive.
NEC FD1137 floppy replacement

Jumpers have exactly 8 pins
for drive A-D

Not recommended unless you have the FD1137.
Picture of the back of a 26 pin floppy drive.


Buy a USB Floppy now


More technical details on the USB Floppy click here
More sales info and manuals on the USB Floppy click here
For the floppy drive compatibility list click here
For other manuals click here


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