FAT12

E708152

FAT12 is an early version of the File Allocation Table filesystem used primarily on floppy disks and very small storage devices.

All labels observed (2)

Label Occurrences
FAT12 canonical 10
FAT12 file system 1

How this entity was disambiguated

Statements (54)

Predicate Object
instanceOf FAT file system variant ⓘ
disk file system ⓘ
file system ⓘ
clusterEntrySizeBits 12 ⓘ
compatibleWith most BIOS boot loaders for PCs ⓘ
designedFor floppy disks ⓘ
small-capacity storage devices ⓘ
directoryEntrySizeBytes 32 ⓘ
fileSystemFamily FAT ⓘ
firstTwoFATEntriesReserved true ⓘ
hasBootSectorField OEM name ⓘ
bytes per sector ⓘ
hidden sectors ⓘ
media descriptor ⓘ
number of FATs ⓘ
number of heads ⓘ
root directory entries ⓘ
sectors per FAT ⓘ
sectors per cluster ⓘ
sectors per track ⓘ
total sectors ⓘ
introduced early 1980s ⓘ
limitation inefficient for larger disks ⓘ
small maximum volume size ⓘ
longFilenamesViaVFAT possible ⓘ
maximumNumberOfClusters 4096 ⓘ
numberOfBitsPerClusterEntry 12 ⓘ
optimizedFor small volumes with low cluster counts ⓘ
storesFATIn reserved area after boot sector ⓘ
successor FAT16 ⓘ
FAT32 ⓘ
supports contiguous and fragmented file allocation ⓘ
supports8.3Filenames true ⓘ
supportsBootSector true ⓘ
supportsDataRegion true ⓘ
supportsFileAttributes archive ⓘ
directory ⓘ
hidden ⓘ
read-only ⓘ
system ⓘ
volume label ⓘ
supportsLongFilenames false (originally) ⓘ
supportsRootDirectoryRegion true ⓘ
supportsSubdirectories true ⓘ
typicallyHasNumberOfFATs 2 ⓘ
typicalMaximumVolumeSize up to 16 MB ⓘ
usedBy MS-DOS ⓘ
PC DOS ⓘ
linked to: MS-DOS

early versions of Windows ⓘ
usedOn 3.5-inch floppy disks ⓘ
5.25-inch floppy disks ⓘ
8-inch floppy disks ⓘ
RAM disks ⓘ
usesAllocationTableType File Allocation Table ⓘ

How these facts were elicited

Referenced by (11)

Full triples — surface form annotated when it differs from this entity's canonical label.

FAT table → usedBy → FAT12 ⓘ
subject linked to: FAT tables
BIOS Parameter Block → usedIn → FAT12 file system ⓘ
linked to: FAT12
FAT → hasVariant → FAT12 ⓘ
Secure Digital → fileSystem → FAT12 ⓘ
SD memory card → fileSystemSupport → FAT12 ⓘ
subject linked to: SD memory cards
GEMDOS → usesFileSystemType → FAT12 ⓘ
ECMA-107 → relatedTo → FAT12 ⓘ
ISO/IEC 9293 → standardizes → FAT12 ⓘ