European Mega-CD
E199221
The European Mega-CD is the PAL-region version of Sega's CD-ROM add-on for the Mega Drive console, offering enhanced audio and full-motion video capabilities for games.
All labels observed (3)
| Label | Occurrences |
|---|---|
| European Mega-CD canonical | 1 |
| Mega-CD (Europe) | 1 |
| Mega-CD (PAL) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1789502 — 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: European Mega-CD Context triple: [Sega CD, regionVariant, European Mega-CD]
-
A.
Red Book
The Red Book was an earlier Federal Reserve report that provided periodic summaries of regional economic conditions in the United States before being replaced by the Beige Book.
-
B.
Millennium Edition
The Millennium Edition is a commemorative, updated release of Richard Feynman’s classic "Feynman Lectures on Physics," featuring refined content and modernized presentation for contemporary readers.
-
C.
PolyGram
PolyGram was a major international music entertainment company and record label group, particularly influential in the late 20th century.
-
D.
El Torito
El Torito is a bootable CD-ROM specification that extends the ISO 9660 standard to allow computers to boot directly from optical discs.
-
E.
The Definitive Collection
The Definitive Collection is a compilation album that gathers key tracks from an artist’s or group’s career into a comprehensive greatest-hits style release.
- 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: European Mega-CD Target entity description: The European Mega-CD is the PAL-region version of Sega's CD-ROM add-on for the Mega Drive console, offering enhanced audio and full-motion video capabilities for games.
-
A.
Red Book
The Red Book was an earlier Federal Reserve report that provided periodic summaries of regional economic conditions in the United States before being replaced by the Beige Book.
-
B.
Millennium Edition
The Millennium Edition is a commemorative, updated release of Richard Feynman’s classic "Feynman Lectures on Physics," featuring refined content and modernized presentation for contemporary readers.
-
C.
PolyGram
PolyGram was a major international music entertainment company and record label group, particularly influential in the late 20th century.
-
D.
El Torito
El Torito is a bootable CD-ROM specification that extends the ISO 9660 standard to allow computers to boot directly from optical discs.
-
E.
The Definitive Collection
The Definitive Collection is a compilation album that gathers key tracks from an artist’s or group’s career into a comprehensive greatest-hits style release.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
PAL-region hardware variant
ⓘ
video game console add-on ⓘ |
| alsoKnownAs |
Mega-CD (Europe)
ⓘ
linked to:
European Mega-CD
Mega-CD (PAL) ⓘ
linked to:
European Mega-CD
|
| audioOutput | stereo audio ⓘ |
| brand | Sega Mega Drive ⓘ |
| compatibleWith |
European Sega Mega Drive
ⓘ
linked to:
Sega Mega Drive
PAL Mega Drive ⓘ
linked to:
Sega Mega Drive
|
| connectsVia | expansion port of Mega Drive ⓘ |
| contemporaryWith |
Super Nintendo Entertainment System
ⓘ
TurboGrafx-CD ⓘ
linked to:
TurboGrafx-16
|
| differentiatedBy | region lockout for PAL region ⓘ |
| enablesFeature |
CD-quality audio
ⓘ
enhanced storage capacity for games ⓘ full-motion video ⓘ |
| generation | fourth generation of video game consoles ⓘ |
| hardwareType | CD-ROM add-on ⓘ |
| hasFeature |
backup RAM for save data
ⓘ
custom BIOS ⓘ hardware scaling and rotation capabilities ⓘ |
| manufacturer | Sega ⓘ |
| market | European video game market ⓘ |
| marketedAs | add-on for Mega Drive ⓘ |
| mediaFormat | CD-ROM ⓘ |
| partOf |
Sega Mega Drive family
ⓘ
linked to:
Sega Mega Drive
|
| platformFor | Sega Mega Drive ⓘ |
| powerStandard | European AC mains ⓘ |
| region | Europe ⓘ |
| regionStandard | PAL ⓘ |
| requires |
Sega Mega Drive console
ⓘ
linked to:
Sega Mega Drive
|
| successorPlatform | Sega Saturn ⓘ |
| supports |
CD-DA audio tracks in games
ⓘ
Mega-CD game discs ⓘ |
| supportsGenre |
CD-based role-playing games
ⓘ
full-motion video games ⓘ multimedia titles ⓘ |
| usesControllerOf | Sega Mega Drive ⓘ |
| videoOutputStandard | PAL ⓘ |
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: European Mega-CD Description of subject: The European Mega-CD is the PAL-region version of Sega's CD-ROM add-on for the Mega Drive console, offering enhanced audio and full-motion video capabilities for games.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: European Mega-CD
linked to: European Mega-CD