Ciao at all, is there anybody who wish to sell to me or indicate where to find the floppy disk controller card i need to make my mainboard xerox 820-II working again? This the card i'm looking for: https://www.dropbox.com/s/ze8ne5nnz8s37lw/Xerox%20820-II%20Floppy%20Disk%20C ontroller.jpg Thanks Enrico