Macintosh Performa 520
E295561
The Macintosh Performa 520 is an early-1990s all-in-one personal computer from Apple’s consumer-oriented Performa line, featuring an integrated CRT display and aimed at home and education users.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Macintosh Performa 520 canonical | 1 |
| Macintosh Performa 5200 series | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2654097 — 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 Performa 520 Context triple: [Apple Macintosh Performa series, notableModel, Macintosh Performa 520]
-
A.
Macintosh Performa 200
The Macintosh Performa 200 is a consumer-oriented all-in-one Macintosh computer from the early 1990s, essentially a rebranded Macintosh Classic II sold through mass-market retail channels.
-
B.
Macintosh Performa 400
The Macintosh Performa 400 is an early-1990s consumer-oriented Macintosh computer based on the LC II design, marketed by Apple as an affordable, all-in-one home and education system.
-
C.
Macintosh Performa 450
The Macintosh Performa 450 is a mid-1990s all-in-one personal computer by Apple, based on the LC III design and marketed as an affordable home and education system.
-
D.
Macintosh Performa 475
The Macintosh Performa 475 is a mid-1990s Apple personal computer based on the 68LC040 processor, known for its compact all-in-one design and positioning as a consumer-oriented variant of the LC 475.
-
E.
Power Macintosh 5200 series
The Power Macintosh 5200 series is a mid-1990s all-in-one Macintosh line from Apple that combined PowerPC processors with integrated CRT displays for 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 Performa 520 Target entity description: The Macintosh Performa 520 is an early-1990s all-in-one personal computer from Apple’s consumer-oriented Performa line, featuring an integrated CRT display and aimed at home and education users.
-
A.
Macintosh Performa 200
The Macintosh Performa 200 is a consumer-oriented all-in-one Macintosh computer from the early 1990s, essentially a rebranded Macintosh Classic II sold through mass-market retail channels.
-
B.
Macintosh Performa 400
The Macintosh Performa 400 is an early-1990s consumer-oriented Macintosh computer based on the LC II design, marketed by Apple as an affordable, all-in-one home and education system.
-
C.
Macintosh Performa 450
The Macintosh Performa 450 is a mid-1990s all-in-one personal computer by Apple, based on the LC III design and marketed as an affordable home and education system.
-
D.
Macintosh Performa 475
The Macintosh Performa 475 is a mid-1990s Apple personal computer based on the 68LC040 processor, known for its compact all-in-one design and positioning as a consumer-oriented variant of the LC 475.
-
E.
Power Macintosh 5200 series
The Power Macintosh 5200 series is a mid-1990s all-in-one Macintosh line from Apple that combined PowerPC processors with integrated CRT displays for home and education markets.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Macintosh computer
ⓘ
all-in-one computer ⓘ consumer electronics product ⓘ personal computer ⓘ |
| brand |
Apple
ⓘ
linked to:
Apple Inc.
|
| colorSupport | up to 16-bit color at 640×480 ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| cpu |
Motorola 68LC040
ⓘ
linked to:
Motorola 68040 microprocessor
|
| cpuArchitecture |
Motorola 68040
ⓘ
linked to:
Motorola 68040 microprocessor
|
| cpuClockSpeed | 25 MHz ⓘ |
| defaultRAM | 4 MB ⓘ |
| displaySize | 14-inch ⓘ |
| displayType | CRT ⓘ |
| expansion | LC PDS slot ⓘ |
| floatingPointUnit | none (LC variant without FPU) ⓘ |
| floppyDriveType | 1.44 MB 3.5-inch floppy drive ⓘ |
| formFactor | all-in-one desktop ⓘ |
| graphicsChipset | integrated video (shared system memory) ⓘ |
| hasFloppyDrive | true ⓘ |
| hasHardDrive | true ⓘ |
| hasIntegratedComponent | CRT display ⓘ |
| hasMicrophone | built-in microphone ⓘ |
| hasSpeaker | mono speaker ⓘ |
| intendedUse |
education and classroom use
ⓘ
general home computing ⓘ |
| manufacturer |
Apple Computer, Inc.
ⓘ
linked to:
Apple Inc.
|
| marketPosition | low-end consumer all-in-one Macintosh ⓘ |
| maximumRAM | 36 MB ⓘ |
| networkingOptions | optional Ethernet via expansion card ⓘ |
| operatingSystem |
System 7
ⓘ
linked to:
System 7 (early versions)
|
| opticalDrive | none (no built-in CD-ROM) ⓘ |
| ports |
ADB
ⓘ
SCSI ⓘ audio in ⓘ audio out ⓘ serial ports ⓘ |
| predecessor | Macintosh Performa 460 ⓘ |
| productLine | Macintosh Performa ⓘ |
| ramType | 72-pin SIMM ⓘ |
| relatedModel |
Macintosh LC 520
ⓘ
linked to:
Macintosh LC
|
| releaseDate | 1994 ⓘ |
| releaseDecade | 1990s ⓘ |
| successor | Macintosh Performa 5300 series ⓘ |
| supportedOperatingSystem |
Mac OS 8
ⓘ
Mac OS 8.1 ⓘ System 7.1 ⓘ System 7.5 ⓘ |
| targetMarket |
education users
ⓘ
home users ⓘ |
| typicalHardDriveCapacity | 250 MB ⓘ |
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 Performa 520 Description of subject: The Macintosh Performa 520 is an early-1990s all-in-one personal computer from Apple’s consumer-oriented Performa line, featuring an integrated CRT display and aimed at home and education users.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Macintosh Performa 520