Technical information about the Western Digital 1770/1772/1773 Floppy Disk Controller chips. The WD1770 and the WD1772 are used in the Commodore 1570/1571 and 1581 disk drives.
Mirror sites: FUNET (ftp http) ibiblio.org (ftp http) – General information – File types – CD-R snapshots – Data transfer
cbm-adm@ftp.funet.fi