Floppy Drive Power Connectors :- Floppy drive power connectors are most commonly used to power floppy disk drives and other small form factor devices.This type of connector is smaller and flatter than any of the other types of power connectors.These connectors are also called Berg connectors noticable that there are four wires going to this connector.these wires carry the 2 voltages used by the motors and logic circuits: +5 VDC(carried on the red wire) and +12 VDC(carried on the yellow wire) plus black ground wires.