Why are floppy cables twisted?
The cable twist allows both floppy drives to be configured identically (for drive selection) when installed (for manufacturing convenience), yet operationally, can be uniquely selected as either the first drive or the second drive based on cable position.
When connecting a floppy drive to the system which end of the ribbon cable will get connected to the floppy drive?
Like an IDE cable, most floppy cables also have a red strip along one side of the ribbon cable to indicate pin 1. Today, if any floppy drive is in the computer it would connects to “Drive A:” and the end cable connected to the motherboard….Floppy cable.
| Pin | Description |
|---|---|
| PIN 31 | Ground |
| PIN 32 | Select Head 1 |
| PIN 33 | Ground |
| PIN 34 | Ground |
Where is the twist on the floppy drive cable located?
You will also notice that there is an odd “twist” in the floppy cable, located between the two pairs of connectors intended for the floppy drives.
What cable does a floppy drive use?
Interface to the floppy disk drive The controller connects to the drive using a flat ribbon cable with 34 connectors split between the host, the 3.5″ drive, and the 5.25″ drive. This type of cable is called a universal connector.
What is a 4 pin floppy connector for?
the four-pin polarized Berg connectors used to connect 3½-inch floppy disk drive units to the power supply unit, usually referred to as simply a “floppy power connector”, but often also referred to as LP4. This connector has a 2.50 mm (0.098 in) pitch (not 2.54 mm).
What is the 4-pin connector on the power supply?
The ATX 4-pin power supply connector is a standard motherboard power connector used to provide +12 VDC to the processor voltage regulator.
What devices use a 4-pin Molex connector?
Certain Molex connectors are used for providing power to the motherboard, fans, floppy disk drive, CD/DVD drive, video card, some older hard drive models, and more.
What is the function of 4-pin Berg connector?
It is used with computer power supplies that connect to floppy disk drives, front panel lights, and reset or turbo buttons. The picture is an example of the 4-pin Berg connector used to power floppy disk drives in computers.