Format

Apple Partition Map Disk Image

Summary

Name: Apple Partition Map Disk Image
Identifiers: PUID: fmt/1740
Format type: Aggregate
Description: Apple Partition Map Disk Image is specific to describing the contents and structure of Apple Partition Map (APM) partition scheme, it can be thought of as a container format for multiple filesystem image files. It was developed by Apple in around 1988 with the introduction of Apple Partition Map scheme on Macintosh II, a scheme that defines how the data is organized on a singular disk. A disk image is a uncompressed copy of the contents of a disk or a folder, it can facilitate certain types of backup and recovery strategies. Please see ID: fdd000348 from Library of Congress and other links attached to this entry for further information.
Note: http://fileformats.archiveteam.org/wiki/Apple_Partition_Map https://mac-optimization.bestreviews.net/the-different-partition-format-types-on-mac/ https://www.loc.gov/preservation/digital/formats/fdd/fdd000348.shtml https://en.wikipedia.org/wiki/Apple_Disk_Image https://docs.microsoft.com/en-us/windows/win32/imapi/disc-formats
File extensions: toast, iso, cdr, dmg, bin, img
Source: The Church of Jesus Christ of Latter-Day Saints / The Church of Jesus Christ of Latter-Day Saints
Developed by: Apple Computer, Inc.
Supported by: Apple Computer, Inc.

Has lower priority than

Has priority over

Note: BOF; Offset: 0; Magic Bytes: wildcard bytes between 0 to 16 bytes, followed by 0x45520200, an exact 508 wildcard bytes followed by 0x504D

Note: BOF; Offset: 0; Magic Bytes: wildcard bytes between 0 to 16 bytes, followed by 0x45520800, an exact 2044 wildcard bytes followed by 0x504D

Note: BOF; Offset: 0; Magic Bytes: wildcard bytes between 0 to 16 bytes, followed by a set of null bytes, then an exact 508 wildcard bytes followed by 0x504D