Apple Partition Map
E299220
Apple Partition Map is a legacy disk partitioning scheme used primarily on classic Macintosh systems and older PowerPC-based Macs to organize data on storage devices.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Apple Partition Map canonical | 1 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Apple disk technology
ⓘ
disk partitioning scheme ⓘ partition table format ⓘ |
| alsoKnownAs | APM ⓘ |
| associatedWithFirmware | Open Firmware ⓘ |
| bootSupport | can store boot code in dedicated partitions ⓘ |
| canContain |
HFS partitions
ⓘ
HFS+ partitions ⓘ other file system types ⓘ |
| compatibility |
limited support on modern macOS
ⓘ
not suitable for modern UEFI-only systems ⓘ |
| designedFor |
68k Macintosh
ⓘ
surface form:
Motorola 68k Macintosh computers
Power Macintosh series ⓘ
surface form:
PowerPC Macintosh computers
|
| developer | Apple Inc. ⓘ |
| distinctFrom |
GUID Partition Table
ⓘ
Master Boot Record ⓘ |
| fileSystemAgnostic | true ⓘ |
| introducedIn | late 1980s ⓘ |
| metadataStructure | linked list of partition entries ⓘ |
| partitionEntryType | fixed-size entries in a partition map area ⓘ |
| partitionTableLocation | beginning of the disk ⓘ |
| platform |
Mac OS X 10.1 Puma
ⓘ
surface form:
Mac OS X (PowerPC era)
PowerPC-based Macintosh computers ⓘ Classic Mac OS ⓘ
surface form:
classic Mac OS
older Macintosh systems ⓘ |
| primaryUsePeriod | 1980s to early 2000s ⓘ |
| replacedForIntelMacsBy | GUID Partition Table ⓘ |
| sectorSizeAssumption | 512-byte sectors ⓘ |
| status |
deprecated for modern macOS installations
ⓘ
legacy ⓘ |
| supersededBy |
GPT
ⓘ
GUID Partition Table ⓘ |
| supportedOn |
Mac OS 9
ⓘ
Mac OS X on PowerPC Macs ⓘ early versions of Mac OS X ⓘ some early Intel Macs for compatibility ⓘ |
| supports |
boot partitions
ⓘ
data partitions ⓘ driver partitions ⓘ multiple partitions per disk ⓘ |
| typicalMedium |
hard disk drives
ⓘ
removable media ⓘ |
| use |
booting classic Macintosh systems
ⓘ
defining partitions on disks ⓘ organizing data on storage devices ⓘ |
| usedBy |
Open Firmware-based Macs
ⓘ
classic Mac OS boot loaders ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.