288-block ProDOS ref. file: ProDOS288blocks.zip Creating a 288-block ProDOS Diskette The main reason for creating a 288-block ProDOS 5.25" diskette is to have the space required for holding a disk image file. This permits transferring disk image files via a standard NULL modem connection to Apple II's having just 5.25" drives. Once on 5.25" disk, the .dsk, .po, etc. disk image file can be converted to diskette form using DSK2FILE. ProDOS288blocks.zip includes information and files for creating 288-block 5.25" ProDOS disks. Rubywand