Macintosh 512K
E75003
Macintosh 512K is an early Apple personal computer released in 1985 that expanded the original Macintosh’s memory and storage capacity, making it more practical for business and productivity use.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Macintosh 512K canonical | 9 |
| Macintosh 512Ke | 2 |
| Apple Macintosh 512K | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T562923 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Macintosh 512K Context triple: [Macintosh 128K, successor, Macintosh 512K]
-
A.
original Macintosh 128K
The original Macintosh 128K was Apple’s first mass-market personal computer with a graphical user interface and mouse, introduced in 1984 and known for its compact all-in-one design.
-
B.
Macintosh Plus
Macintosh Plus is an early Apple Macintosh personal computer model, introduced in 1986, notable for its expanded memory, SCSI support, and improved performance over its predecessors.
-
C.
Macintosh SE
The Macintosh SE is a compact all-in-one personal computer introduced by Apple in 1987, notable for adding an internal expansion slot and improved performance to the classic Macintosh line.
-
D.
Apple Lisa
Apple Lisa was an early 1980s Apple personal computer notable for pioneering a graphical user interface and mouse-driven desktop environment.
-
E.
Macintosh LC
The Macintosh LC is a low-cost, compact desktop computer introduced by Apple in 1990 as part of its early color-capable Macintosh lineup aimed at home and education markets.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Macintosh 512K Target entity description: Macintosh 512K is an early Apple personal computer released in 1985 that expanded the original Macintosh’s memory and storage capacity, making it more practical for business and productivity use.
-
A.
original Macintosh 128K
The original Macintosh 128K was Apple’s first mass-market personal computer with a graphical user interface and mouse, introduced in 1984 and known for its compact all-in-one design.
-
B.
Macintosh Plus
Macintosh Plus is an early Apple Macintosh personal computer model, introduced in 1986, notable for its expanded memory, SCSI support, and improved performance over its predecessors.
-
C.
Macintosh SE
The Macintosh SE is a compact all-in-one personal computer introduced by Apple in 1987, notable for adding an internal expansion slot and improved performance to the classic Macintosh line.
-
D.
Apple Lisa
Apple Lisa was an early 1980s Apple personal computer notable for pioneering a graphical user interface and mouse-driven desktop environment.
-
E.
Macintosh LC
The Macintosh LC is a low-cost, compact desktop computer introduced by Apple in 1990 as part of its early color-capable Macintosh lineup aimed at home and education markets.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
Apple Macintosh computer
ⓘ
personal computer ⓘ |
| alsoKnownAs | Fat Mac ⓘ |
| architecture | Motorola 68000-based architecture ⓘ |
| brand |
Apple
ⓘ
linked to:
Apple Inc.
|
| category | vintage computer ⓘ |
| colorSupport | monochrome ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| cpu |
Motorola 68000
ⓘ
linked to:
Motorola 68000 family
|
| cpuClockSpeed | 8 MHz ⓘ |
| developer |
Apple Computer, Inc.
ⓘ
linked to:
Apple Inc.
|
| discontinuedYear | 1986 ⓘ |
| displayResolution | 512×342 pixels ⓘ |
| displaySize | 9-inch built-in CRT ⓘ |
| expansion |
external floppy port
ⓘ
serial ports ⓘ |
| formFactor | all-in-one desktop ⓘ |
| graphics | bitmapped monochrome display ⓘ |
| inputDevice |
keyboard
ⓘ
mouse ⓘ |
| logo | rainbow Apple logo ⓘ |
| manufacturer |
Apple Computer, Inc.
ⓘ
linked to:
Apple Inc.
|
| marketedAs |
business computer
ⓘ
productivity computer ⓘ |
| notableFeature |
bundled mouse-driven interface
ⓘ
compact all-in-one design ⓘ four times the RAM of the original Macintosh 128K ⓘ graphical user interface ⓘ |
| operatingSystem |
Macintosh System Software
ⓘ
linked to:
Classic Mac OS
System 1 ⓘ System 2 ⓘ
linked to:
System 1
System 3 ⓘ System 4 ⓘ System 5 ⓘ System 6 ⓘ |
| port |
RS-422 serial port
ⓘ
modem port ⓘ printer port ⓘ |
| powerSupply | internal power supply ⓘ |
| predecessor |
Macintosh 128K
ⓘ
linked to:
original Macintosh 128K
|
| ram | 512 KB ⓘ |
| ramType | soldered on logic board ⓘ |
| releaseDate | 1985-09-10 ⓘ |
| releaseYear | 1985 ⓘ |
| romSize | 64 KB ⓘ |
| series |
Macintosh
ⓘ
linked to:
Apple Macintosh computers
|
| sound | mono speaker ⓘ |
| storage | 400 KB 3.5-inch floppy disk drive ⓘ |
| storageType | internal floppy disk drive ⓘ |
| successor | Macintosh Plus ⓘ |
| supportsExternalStorage | external floppy disk drive ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Macintosh 512K Description of subject: Macintosh 512K is an early Apple personal computer released in 1985 that expanded the original Macintosh’s memory and storage capacity, making it more practical for business and productivity use.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
original Macintosh 128K
linked to: Macintosh 512K
subject linked to:
Apple LaserWriter printers