Floppy Drive Cable Pins

3 5 drives generally use a pin header connector.

Floppy drive cable pins.

Like an ide cable most floppy cables also have a red strip along one side of the ribbon cable to indicate pin 1. The reason that the standard cable uses pairs of connectors for the drives is for compatibility with different types of drives. 2 usb 3 0 ports slim optical drive 12 7mm bay 2 5 sata i ii iii hdd mobile rack back panel. Floppy power connector sata data connector sata power connector built in usb 3 0 20 pin header cable 19 usb data transfer rate up to 6gbps 5 25 front bay mount design plastic front panel secc body nss.

Pin 1 where the red stripe is on a normal floppy cable is marked but you should still check against a picture of a floppy cable to make sure you connect it the right way. The power cable from the atx power supply consists of 20 awg wire to a 4 pin female connector. If wire 10 16 are twisted before the last connector the jumpering is avoided. If only one drive is used then leave the middle connector free.

The table below provides the personal computer drive a pinout for either the 3 1 2 or 5 1 4 floppy drive. Today if any floppy drive is in the computer it would connects to drive a and the end cable connected to the motherboard. The cable interface provides a 2 x 17 pin header connector to each diskette drive with a locator key below pin 17. The original floppy cable required that each drive was jumpered to the right id.

The pair of connectors or single connector in the case of a three connector cable in the middle of the cable is intended for the b. But ibm come up with an idea to avoid jumpering the floppies. Make offer 1pc 5 25 4 pin molex to 2 x 3 5 floppy drive fdd power splitter adapter cable 2pcs set 4 pin male to 3 5 floppy drive fdd internal power cable adaptor 20cm 0 99. The power connector on the 3 1 2 inch floppy drive informally known as the berg connector is 2 50 mm pitch distance from center to center of pins.

The printed circuit board provides a 2 by 20 pin card edge connector for each diskette drive with a locator key between pins 34 and 36. The floppy channel fdd header or floppy connection is where the floppy drive connects to the computer. Each drive should be jumpered to act as drive 2. The cable uses a 34 pin idc connector requiring a 34 pin device header and a 34 pin flat ribbon cable idc definition the connector size differ between the two drive types with the 5 25 drives requiring a larger connector.

Generally pin 1 is facing the power connector on the drive usually with the notch down pin 1 is on the left but just double check before connecting it.