The rear side of a floppy drive looks similar to the following image.
The black connector on the left hand side is the floppy disk connector. It is different from the IDE connector and uses a different cable. The small white connector on the right hand side is the power connector for the floppy drive. Figure 1 and 2 below shows what a floppy drive cable and floppy drive power connector looks like.
Figure 1 - Floppy drive cable.
Figure 2 - Floppy drive power cable
Next - Floppy Disk Drive Installation Continued