http://qa.retro-commodore.eu/index.php?qa=qa&qa_1=misc Powered by Question2Answer http://qa.retro-commodore.eu/index.php?qa=51&qa_1=nibling-using-zoomfloppy-xum1541-xu1541-on-1571-drive-fails&show=52#a52 This can be a bug or an error in the 6526 chip (U20) which is socketed.<br /> <br /> You can try with a new 6526 chip or MOS 8520(A) from the Amiga. Misc http://qa.retro-commodore.eu/index.php?qa=51&qa_1=nibling-using-zoomfloppy-xum1541-xu1541-on-1571-drive-fails&show=52#a52 Thu, 29 Mar 2018 15:47:05 +0000