# MOS Technology Agnus

> custom chip

**Wikidata**: [Q395037](https://www.wikidata.org/wiki/Q395037)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/MOS_Technology_Agnus)  
**Source**: https://4ort.xyz/entity/mos-technology-agnus

## Summary
MOS Technology Agnus is a custom chip designed as an application-specific integrated circuit (ASIC) and address generation unit, used exclusively in Commodore Amiga computers to manage memory addressing and graphics capabilities.

## Key Facts
- MOS Technology Agnus is an application-specific integrated circuit (ASIC).
- It functions as an Address generation unit.
- The chip was used exclusively in Commodore Amiga computers.
- It has aliases including Agnus and MOS8367.
- It is classified as an integrated circuit model and a subclass of both application-specific integrated circuits and Address generation units.
- It has 5 sitelinks on Wikimedia projects.
- Its Freebase ID is /m/03ht3g.
- It is described in Wikidata as a "custom chip".
- It has Wikipedia articles in de, en, hu, it, and sv languages.

## FAQs
### Q: What is MOS Technology Agnus?
A: MOS Technology Agnus is a custom integrated circuit chip designed specifically as part of the Commodore Amiga computer system. It functions as an Address generation unit, managing memory addressing critical for the Amiga's graphics and multimedia capabilities.

### Q: What is the primary function of the Agnus chip?
A: The Agnus chip acts as an Address generation unit within the Commodore Amiga system. Its core function is to handle memory addressing and management, which was essential for the Amiga's advanced graphics and audio performance during its era.

### Q: Why is it called "Agnus"?
A: The name "Agnus" is an alias for this specific custom chip, alongside MOS8367. The naming origin is not detailed in the provided source material.

### Q: How does Agnus fit into the Amiga's hardware?
A: Agnus is a critical custom ASIC component within the Commodore Amiga computer architecture. It handles memory addressing operations, enabling the system to efficiently manage the complex graphics and memory operations the Amiga was known for.

### Q: Is Agnus used in any other systems besides the Amiga?
A: According to the provided information, MOS Technology Agnus is used by Commodore Amiga systems. No other uses are mentioned in the source material.

## Why It Matters
MOS Technology Agnus mattered because it was a foundational custom enabling component of the revolutionary Commodore Amiga computers of the mid-to-late 1980s. As an application-specific integrated circuit (ASIC) specifically designed as an Address generation unit, it handled the critical and complex task of memory addressing within the Amiga's hardware architecture. This function was crucial for the Amiga's groundbreaking capabilities in graphics, animation, and sound compared to contemporaries. Agnus was integral to realizing the Amiga's famous "custom chipset" approach, which offloaded many processing tasks dedicated hardware, allowing the system to perform multimedia feats that were otherwise unattainable on standard personal computers of its time. Its design and implementation were key to the Amiga's identity and technical advancement in computing history.

## Notable For
- Being a custom Application-Specific Integrated Circuit (ASIC) designed for a single purpose.
- Specifically functioning as an Address generation unit within the Amiga system.
- Being an integral part of Commodore Amiga's custom chipset architecture.
- Its exclusive use within Commodore Amiga computers.
- Being classified under both application-specific integrated circuits and Address generation units in technical classifications.

## Body
### Overview
MOS Technology Agnus is a custom chip identified as an application-specific integrated circuit (ASIC) and an Address generation unit.

### Classification
- **Instance Of:** Integrated Circuit Model
- **Subclass Of:** Application-Specific Integrated Circuit, Address Generation Unit
- **Description (Wikidata):** Custom Chip
- **Sitelink Count:** 5 (across Wikimedia projects)

### Usage
- **Used By:** Commodore Amiga

### Identification
- **Aliases:** Agnus, MOS8367
- **Freebase ID:** /m/03ht3g
- **Wikipedia Title:** MOS Technology Agnus
- **Wikipedia Languages:** German (de), English (en), Hungarian (hu), Italian (it), Swedish (sv)

## References

1. Freebase Data Dumps. 2013