Noun
FAT12 (uncountable)
(computing) The version of the FAT series of file systems which uses a 12-bit file allocation table.
In the FAT12 filesystem (used on floppy disks and early hard disks), there were no more than 4,080 Two of these were reserved for special purposes, so only 4078 could actually represent disk blocks (clusters). Source: Internet
For example, DR-DOS boot sectors are able to locate the boot file in the FAT12, FAT16 and FAT32 file system, and load it into memory as a whole via CHS or LBA, even if the file is not stored in a fixed location and in consecutive sectors. Source: Internet
Nomenclature Technically, the term "FAT file system" refers to all three major variants of the file system, FAT12, FAT16 and FAT32, and most parties clearly distinguish between them where necessary. Source: Internet
SF " in the root directory of the FAT12 or FAT16 volume. Source: Internet
The general type of file system (FAT12, FAT16 or FAT32) is determined by the width of the cluster entries in the FAT. Source: Internet
The number of root directory entries available for FAT12 and FAT16 is determined when the volume is formatted, and is stored in a 16-bit field. Source: Internet