Skip to main content
Service phase: Beta

This service is still in development. Give us your feedback or view this page on the current PRONOM service.

Format

FAT Disk Image

Summary

Name
FAT Disk Image
Identifiers
PUID: fmt/1087
Format type
Aggregate
Description
The File Allocation Table is a file system architecture used across a range of computer systems. This entry aims to capture instances where the file system has been exported as a portable disk image. It may be possible and desirable to distinguish between different types of FAT image. Please contact the PRONOM team if you can assist with this.
File extensions
img, ima, dsk
Source
National Library of Scotland / National Library of Scotland

Relationships

Has lower priority than

Internal signatures

FAT Disk Image

Note
BOF: Jump instruction bytes 1 and 3 - 0XEB{1}0x90, byte 14 = Sectors per cluster, any from 1, 2, 4, 8, 16, 32, 64, or 128

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
EB{1}90{10}(01|02|04|08|10|20|40|80)
Endianness
None

Changelog

  • Added in V92

    Release date
    20 September 2017

    FAT Disk Image: Signature developed with National Library of Scotland.

    FAT Disk Image: Full entry added. Requested by National Library of Scotland.