The XM1541 multitask cable
The XM1541 multitask cable is a serial cable that connects Commodore drives to the PC parallel port. It's a substitute for the X1541 cable and has been designed to work in all modes of all parallel ports on all PC motherboards but read the important notes for exceptions. It's compatible with all parallel ports and with all Commodore drives and clones that have the usual serial bus port. It differs from the XE1541 extended cable only in a pair of wires swapped.
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 XM1541 extended cable is © by Michael Klein and Nicolas Welte, 2000. If you produce and sell cables or adaptors that are compatible with this cable then you must give credits to the copyright owners. If your adaptors are built onto printed circuit boards then you must also make the complete layout available in a format and resolution that is suitable for high quality reproduction.
Source: The Joe Forster-STA homepage