Agnus
E201692
Agnus is the custom chip in early Commodore Amiga computers responsible for managing graphics, memory access, and DMA operations within the system’s chipset.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T1774662 — 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: Agnus Context triple: [Commodore Amiga 1000, graphicsChip, Agnus]
-
A.
Lepus
Lepus is a small southern constellation located just below Orion, traditionally representing a hare.
-
B.
Xerus
Xerus is a genus of African ground squirrels known for their diurnal, social behavior and adaptation to open, arid habitats.
-
C.
Unangas
Unangas are the Indigenous people of the Aleutian Islands and nearby regions of Alaska and Russia, known for their maritime culture and distinct Aleut language.
-
D.
Anserma
Anserma is a municipality and town in the Caldas Department of Colombia, known for its coffee production and location in the Andean region.
-
E.
Colinus
Colinus is a genus of New World quails best known for species like the Northern bobwhite, small ground-dwelling game birds found in the Americas.
- 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: Agnus Target entity description: Agnus is the custom chip in early Commodore Amiga computers responsible for managing graphics, memory access, and DMA operations within the system’s chipset.
-
A.
Lepus
Lepus is a small southern constellation located just below Orion, traditionally representing a hare.
-
B.
Xerus
Xerus is a genus of African ground squirrels known for their diurnal, social behavior and adaptation to open, arid habitats.
-
C.
Unangas
Unangas are the Indigenous people of the Aleutian Islands and nearby regions of Alaska and Russia, known for their maritime culture and distinct Aleut language.
-
D.
Anserma
Anserma is a municipality and town in the Caldas Department of Colombia, known for its coffee production and location in the Andean region.
-
E.
Colinus
Colinus is a genus of New World quails best known for species like the Northern bobwhite, small ground-dwelling game birds found in the Americas.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Amiga chipset component
ⓘ
custom chip ⓘ integrated circuit ⓘ |
| alias |
Address Generator
ⓘ
Address Generator Unit ⓘ Agnus chip ⓘ |
| belongsToFamily |
Original Amiga chipset (OCS)
ⓘ
surface form:
Amiga custom chipset
|
| category |
DMA controller chip
ⓘ
computer graphics hardware ⓘ |
| controls |
Direct Memory Access
ⓘ
blitter operations ⓘ chip RAM access ⓘ copper operations ⓘ |
| coordinates |
access to shared memory by custom chips
ⓘ
audio DMA channels ⓘ blitter DMA channels ⓘ video DMA channels ⓘ |
| designedBy | Commodore Amiga engineering team ⓘ |
| designedFor |
Original Amiga chipset (OCS)
ⓘ
surface form:
Amiga graphics subsystem
|
| enables |
bitplane graphics display
ⓘ
smooth scrolling and display features ⓘ |
| era | 1980s home computers ⓘ |
| generation | early Amiga models ⓘ |
| hasVariant |
Agnus
self-linksurface differs
ⓘ
surface form:
Fat Agnus
Thin Agnus ⓘ |
| interactsWith |
Motorola 68000 family
ⓘ
surface form:
Motorola 68000 CPU
|
| locatedIn | Amiga mainboard ⓘ |
| manages | bus arbitration between CPU and custom chips ⓘ |
| manufacturer | Commodore ⓘ |
| memoryTypeControlled | chip RAM ⓘ |
| partOf |
Amiga
ⓘ
surface form:
Commodore Amiga architecture
OCS ⓘ Original Chip Set ⓘ |
| platform | Amiga ⓘ |
| responsibleFor |
DMA operations
ⓘ
graphics control ⓘ memory access control ⓘ |
| role | central memory and DMA controller in Amiga chipset ⓘ |
| technologyDomain | home computer hardware ⓘ |
| usedIn |
Commodore Amiga 1000
ⓘ
Commodore Amiga 2000 ⓘ Commodore Amiga 500 ⓘ early Commodore Amiga computers ⓘ |
| worksWith |
Denise
ⓘ
Paula ⓘ |
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: Agnus Description of subject: Agnus is the custom chip in early Commodore Amiga computers responsible for managing graphics, memory access, and DMA operations within the system’s chipset.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Original Amiga chipset
subject surface form:
Original Amiga chipset
subject surface form:
Original Amiga chipset
this entity surface form:
Fat Agnus