Dayna's new product, DaynaFile is an external SCSI disk drive that allows the entire family of Macintosh computers to read and write MS-DOS formatted data disks, using Macintosh applications. No knowledge of MS-DOS is needed. The full range of IBM PC and compatible disk formats are supported, including the 3.5" disks for the Personal System/2. Dayna's upgraded product, Enhanced MacCharlie is an IBM PC/XT coprocessor for the Macintosh 512, Macintosh Plus, and Macintosh SE.