Apple 5.25" floppy disk drive
E200296
The Apple 5.25" floppy disk drive is a vintage external disk drive used primarily with early Apple II-series computers for reading and writing 5.25-inch floppy disks.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Apple 5.25" floppy disk drive canonical | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
computer peripheral
ⓘ
floppy disk drive ⓘ |
| category |
Apple II hardware accessory
ⓘ
vintage computer hardware ⓘ |
| compatibleWith | Apple II expansion cards for disk control ⓘ |
| connectionLocation | rear of Apple II-series computers ⓘ |
| dataAccessMode | random access ⓘ |
| dataEncoding | GCR (Group Coded Recording) ⓘ |
| designedFor |
educational computing environments
ⓘ
home computing ⓘ |
| diskDiameter | 5.25 inches ⓘ |
| diskSidesSupported | single-sided ⓘ |
| driveMechanism | soft-sectored ⓘ |
| formFactor | external drive ⓘ |
| historicalSignificance | key storage device for early Apple II personal computers ⓘ |
| interface |
Apple UniDisk 5.25
ⓘ
surface form:
Disk II interface (Apple II family)
|
| manufacturer |
Apple Inc.
ⓘ
surface form:
Apple Computer, Inc.
|
| marketedAs | Disk II drive (earlier mechanism) related product ⓘ |
| maxDrivesPerController | 2 ⓘ |
| mediaOrientation | single-sided, single-density (original formats) ⓘ |
| mediaType | 5.25-inch floppy disk ⓘ |
| notableFeature |
designed for low-cost mass storage for Apple II
ⓘ
proprietary Apple disk format ⓘ |
| operatingSystemSupport |
Apple DOS
ⓘ
ProDOS ⓘ early Apple CP/M systems (via add-on card) ⓘ |
| physicalMedium | magnetic storage ⓘ |
| powerSource | host computer power supply ⓘ |
| primaryUse |
reading 5.25-inch floppy disks
ⓘ
writing 5.25-inch floppy disks ⓘ |
| readWriteHeads | single read/write head ⓘ |
| rotationSpeed | 300 RPM ⓘ |
| sectorCountPerTrack | 16 ⓘ |
| sectorSize | 256 bytes ⓘ |
| status | discontinued ⓘ |
| storageType | removable media ⓘ |
| successor | Apple 3.5" floppy disk drive ⓘ |
| supportsDaisyChaining | yes ⓘ |
| typicalCapacityPerDisk | 140 KB ⓘ |
| typicalUsePeriod | late 1970s to late 1980s ⓘ |
| usedFor |
booting Apple II systems
ⓘ
loading software ⓘ saving user data ⓘ |
| usedWith |
Apple II
ⓘ
Apple II ⓘ
surface form:
Apple II Plus
Apple II ⓘ
surface form:
Apple IIc
Apple II ⓘ
surface form:
Apple IIe
Apple II ⓘ
surface form:
Apple IIgs
|
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Apple IIe Card