# Alpha 21164 chip

> microprocessor known by its code name, EV5

**Wikidata**: [Q3277607](https://www.wikidata.org/wiki/Q3277607)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Alpha_21164)  
**Source**: https://4ort.xyz/entity/alpha-21164-chip

## Summary
The Alpha 21164 is a central processing unit (CPU) model manufactured by Digital Equipment Corporation. It is a microprocessor identified by the code name EV5. The chip is part of the Alpha architecture family, serving as the successor to the Alpha 21068 and the predecessor to the Alpha 21264.

## Key Facts
*   **Code Name:** The microprocessor is known by the code name **EV5**.
*   **Manufacturer:** The chip was produced by **Digital Equipment Corporation**.
*   **Classification:** It is an instance of a **CPU model** and a subclass of a **central processing unit**.
*   **Predecessor:** It follows the **Alpha 21068 chip** (inception date: 1993-09-10).
*   **Successor:** It was followed by the **Alpha 21264 chip**, a RISC microprocessor.
*   **Wikidata ID:** The entity is tracked with a Freebase ID of `/m/04y6zx8`.
*   **Image:** An image of the chip is archived at `DEC_Alpha_21164.jpg` on Wikimedia Commons.

## FAQs
### Q: What is the code name for the Alpha 21164 chip?
A: The Alpha 21164 microprocessor is known by the code name EV5.

### Q: Who manufactured the Alpha 21164?
A: The Alpha 21164 was manufactured by Digital Equipment Corporation.

### Q: What processors came before and after the Alpha 21164?
A: The Alpha 21164 follows the Alpha 21068 chip and was succeeded by the Alpha 21264 chip.

## Why It Matters
The Alpha 21164 serves as a significant entry in the history of RISC (Reduced Instruction Set Computer) microprocessors developed by Digital Equipment Corporation. As a defined CPU model succeeding the Alpha 21068, it represents a specific generation of processing technology utilized during its era. Its position in the timeline—bridging the gap between earlier Alpha models and the subsequent Alpha 21264—highlights the iterative development of central processing units. By identifying specifically as the "EV5," it allows historians and technologists to categorize the evolution of chip architecture and manufacturing capabilities during the period it was active.

## Notable For
*   Being the specific CPU model identified by the engineering code name **EV5**.
*   Serving as a key component in the lineage of Digital Equipment Corporation processors.
*   Acting as the direct predecessor to the **Alpha 21264**, a noted RISC microprocessor.
*   Being a distinct subclass of the broad "central processing unit" hardware category.

## Body
### Identity and Classification
The **Alpha 21164** is a microprocessor classified as a central processing unit (CPU) model. It is recognized formally as a subclass of a central processing unit, which is the component responsible for executing instructions in a computer.

### Manufacturer
The entity responsible for the creation and production of the Alpha 21164 is **Digital Equipment Corporation**.

### Product Lineage
The Alpha 21164 occupies a specific chronological slot in the Alpha chip family:
*   **Preceded by:** The **Alpha 21068 chip** (which had an inception date of September 10, 1993).
*   **Succeeded by:** The **Alpha 21264 chip**, which is classified as a RISC microprocessor.

### Identifiers and Resources
*   **Visuals:** The chip is documented visually in the Wikimedia Commons category "Alpha 21164," with a specific file available at `DEC_Alpha_21164.jpg`.
*   **Database IDs:** It holds the Freebase ID `/m/04y6zx8`.
*   **Wikipedia Presence:** The entity has a Wikipedia sitelink count of 8, with pages available in languages including English, Spanish, Japanese, Korean, Hungarian, Turkish, and Catalan.

## Schema Markup
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  "@type": "Thing",
  "name": "Alpha 21164 chip",
  "description": "A microprocessor manufactured by Digital Equipment Corporation, known by the code name EV5.",
  "image": "https://commons.wikimedia.org/wiki/Special:FilePath/DEC_Alpha_21164.jpg",
  "sameAs": [
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  "additionalType": "CPU model"
}

## References

1. Freebase Data Dumps. 2013