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Home » Storage
Anatomy of a Floppy Disk Drive
Author: Gabriel Torres 84,994 views
Type: Tutorials Last Updated: August 15, 2005
Page: 1 of 5
Introduction

We know that floppy disks are being replaced by USB memories and memory cards, but after disassembling a hard disk drive and an optical disk drive, we couldn’t help ourselves from publishing a tutorial showing how a floppy disk drive looks like from inside.

1.44 MB Floppy Disk Drive
click to enlarge
Figure 1: 1.44 MB floppy disk drive.

On PC floppy disk drives had five generations: 360 KB (5 “), 1.2 MB (5 “), 720 KB (3 “), 1.44 MB (3 “) and 2.88 MB (3 “). In this tutorial we will disassemble the most used model, which is the one available even today: the 1.44 MB 3 “ model.

Floppy disk drives became so cheap that it is not worthwhile fixing one when it becomes defective: just throw it away and buy a new one. So, even though it is possible to fix a floppy disk drive, it simple makes no sense.

In Figure 2, you can see the back view of a floppy disk drive: it has only two connectors, one for power and the other for its communication with the computer, which uses a 34-wire flat-cable.

1.44 MB Floppy Disk Drive
click to enlarge
Figure 2: 1.44 MB floppy disk drive, back view.

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