Apple Inc. (August 22, 1991). "Double-Density Versus High-Density Disks". Article ID: 3802. Apple Inc. Archived from the original on March 27, 2008. Retrieved June 28, 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.
Apple Inc. (August 22, 1991). "Double-Density Versus High-Density Disks". Article ID: 3802. Apple Inc. Archived from the original on March 27, 2008. Retrieved June 28, 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.