![]() ![]() ![]() High-density disk drives could handle both the new 1.44 MB format and the old 720K format, though there could be compatibility issues in reading 720K disks on low-density drives after they were written to with a high-density drive, even though the writing is done in an emulation of the old format, due to the different drive head on the newer drives. ![]() These disks were generally used with FAT12 file systems under the MS-DOS or PC-DOS operating system. It had 80 tracks per side, with 18 sectors per track, and 512 bytes per sector. The PC-DOS 1.44M format (3 1/2", double sided, high density) was the high-density counterpart of the PC-DOS 720K format for 3 1/2" floppy disks, storing twice as much data due to use of a different media surface capable of handling a higher density of data. ![]()
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