Apple Inc. «Double-Density Versus High-Density Disks». Article ID: 3802. Apple Inc., 22-08-1991. Arxivat de l'original el 27 de març 2008. [Consulta: 28 juny 2008]. "This article Gives the specifications for the 800K floppy disks and the 1.44 MB floppy disks." 800K Disk has 1600 Sectors and 1.44 MB Disk has 2880 Sectors. A sector is 512 bytes.
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Apple Inc. «Double-Density Versus High-Density Disks». Article ID: 3802. Apple Inc., 22-08-1991. Arxivat de l'original el 27 de març 2008. [Consulta: 28 juny 2008]. "This article Gives the specifications for the 800K floppy disks and the 1.44 MB floppy disks." 800K Disk has 1600 Sectors and 1.44 MB Disk has 2880 Sectors. A sector is 512 bytes.