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Building a X1541 cable

Introduction

X1541 cable It is possible to transfer a diskette from a 1541, 1540, 1570, 1571 or 1581 disk drive to a PC. The opposite is also possible. For the transfer you need a special cable. There are different kinds but the most common are the X1541 and XE1541 cables. The X1541 is the simple version and works fine with older PCs. But with modern PCs the X1541 cable doesn't always work. For these PCs the XE1541 cable is a better option. You can also use a XE1541 cable with older PC's.

This article will explain how to build a X1541 cable. It is easy if you have some basic soldering skills. But also for the in-experienced people this is a nice starting project.

The X1541 cable is developed by Leopoldo Ghielmetti.
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Tools:

Tools for building a X1541 cable. - Soldering iron and soldering tin.
- Small pliers. (cut and bend)
- Screwdriver.
- Knife.
- Helping hand.
- Heat-gun.

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Parts:

Parts for building a X1541 cable. - 6 pin DIN 45322 connector.
- 25 pin (male) SUB-D connector.
- 25 pin SUB-D connector hood.
- Shielded cable with 5 wires (100 cm)
- Piece of shrink tube for the cable. (2 cm)
- Piece of blank copper wire. (5 cm)

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The schematic.

X1541 schematic. This is the schematic of the X1541 cable.

If you don't have lots of soldering experience then practice on something with no value. For example a piece of experimental pcb and some wires or parts. Don't heat the wires or parts too long when soldering. Use a helping hand to set up your stuff. With the helping hands you can concentrate on the soldering.

Check all your connection when finished. A wrong connection can damage your Commodore disk drive or your PC.
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Stripping the cable:

X1541 stripping the cable. Remove 40 mm of the cable jacket on both sides of the cable.
Unravel the shielding and turn it into a wire.
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Tinning of the shielding.

X1541 tinning the shield. Cut the shielding to 5 mm.

Tin the shielding on both sides of the cable.
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Finishing the shielding:

X1541 preparing the shielding. Take a piece of flexible wire and solder this to the shielding. (On one side of the cable only.)
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Placing the shrink tube:

X1541 shrink tube. Shrink the shrink tube onto the cable with a heat gun.
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Preparing the 6 pin DIN connector:

X1541 preparing the 6-pin DIN connector. Cut the wire (on one side of the cable) to 25 mm.

Strip the wires 5 mm.

Tin the wires.

Cut the tinned piece of the wire to 2mm.
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6 pin DIN connector soldering:

X1541 soldering the 6-pin DIN connector. Set up your cable and the connector in the helping hands.

Solder the wire to the correct pin.
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6 pin DIN connector soldering:

X1541 soldering the remaining wires to the correct pins. Solder the remaining wires to the correct pins.
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Finishing the 6 pin DIN connector:

Finishing the 6 pin DIN connector. Put the piece with the pins in the metal part of the connector.

Crimp the strain relief around the cable. With this you also connect the shielding to the metal part of the connector.
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6 pin DIN connector ready:

X1541 6-pin connector. Check if the connections are the same as on the schematic.

Put the other metal part on the connector and slide the plastic part over the metal part.

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SUB-D connector soldering:

X1541 SUB D25 connector. Tin the pins 18 - 25.

Put a piece of copper wire over the pins 18 - 25. Solder the piece of copper wire to the pins.
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SUB-D connector soldering:

X1541 soldering the SUB-D25 connector. Solder the remaining wires. The shielding is connected to the metal part of the connector.
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Finishing the SUB-D connector:

X1541 finishing the SUB-D25 connector. Check all your connection with the schematics.

Place the strain relief.

Close the connector.
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Testing the cable:

X1541 testing the cable. Connect your PC and a Commodore disk drive with the cable.

A well known program for the transfer of disks is Star Commander. This program is written by Joe Forster. The program works with DOS.
Go to this web page to download the program. You can also find a manual for the program on that web page.
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Update: 2019-05-11 13:30:07