The X1541 cable
The X1541 cable is the original cable that connects Commodore drives to the PC parallel port. It's compatible with SPP and PS/2 parallel ports and with all Commodore drives and clones that have the usual serial bus port.
You need the following hardware to make use of this cable:
The following PC softwares support this cable:
You can find the details on how to build this cable at the construction page.
Connect the serial plug into the serial port of your Commodore drive. Connect the parallel plug into the parallel port of your PC.
Make sure to put your equipment far away from monitors, TV sets and other devices with strong emission, otherwise cables may pick up interference and you may experience data loss or corruption.
The X1541 cable is © by Leopoldo Ghielmetti, 1992.
Source: The Joe Forster-STA homepage