# Pentium 1

> family of Intel microprocessors, original Pentium models

**Wikidata**: [Q84308958](https://www.wikidata.org/wiki/Q84308958)  
**Source**: https://4ort.xyz/entity/pentium-1

## Summary
Pentium 1 is a family of Intel microprocessors that represents the original models of the Pentium brand. Developed by Intel and introduced in 1993, it succeeded the Intel 80486 series and served as the foundation for the Pentium P5 microarchitecture.

## Key Facts
- **Developer/Manufacturer:** Intel, an American multinational technology company headquartered in Santa Clara, California.
- **Inception Year:** The Pentium brand was established in 1993.
- **Preceded By:** The Intel 80486 family (introduced in 1989) and the Intel 80486DX2 (released in 1992).
- **Succeeded By:** Pentium with MMX technology, which added MMX support to the family.
- **Microarchitecture:** Based on the Pentium P5 microarchitecture.
- **Operating Frequencies:** Documented models include frequencies of 60 MHz and 75 MHz.
- **Sub-families:** Includes the Pentium P54C and Pentium P54CS classes of microprocessors.
- **Classification:** Categorized as a microprocessor, which is a computer processor contained on an integrated-circuit chip.
- **Common Aliases:** Also known as Pentium I, i586, 80586, Intel 586, and the 586 model.

## FAQs
### Q: What is the difference between the Pentium 1 and the Intel 80486?
A: The Pentium 1 is the direct successor to the Intel 80486 family. While the 80486 series included DX, SX, and SL models, the Pentium 1 introduced the P5 microarchitecture and moved away from the 80x86 numbering system to the Pentium brand name.

### Q: When was the Pentium 1 first introduced?
A: The Pentium brand of microprocessors was launched by Intel in 1993. It followed the release of the Intel 80486DX2, which had been released a year earlier in 1992.

### Q: What are the technical sub-classes of the Pentium 1?
A: The Pentium 1 family includes several specific classes, most notably the Pentium P54C and the Pentium P54CS. These are all part of the broader Pentium P5 microarchitecture.

## Why It Matters
The Pentium 1 represents a pivotal shift in Intel's product strategy and technical development. By moving away from the "80486" designation and establishing the "Pentium" brand in 1993, Intel created one of the most recognizable names in the semiconductor industry. This transition marked the end of the 486 era, which had defined personal computing since 1989, and introduced the P5 microarchitecture. 

The development of the Pentium 1 by Intel—a company that employed over 100,000 people by the mid-2010s—demonstrated the scaling of the semiconductor industry. The Pentium 1 provided the necessary performance jump through its P5 architecture, offering clock speeds like 60 MHz and 75 MHz. Its significance is also found in its role as a bridge to multimedia-capable computing; it was the direct predecessor to the Pentium with MMX technology. By establishing the i586 generation, the Pentium 1 set the standard for integrated-circuit chips that would power the next generation of computers, ensuring Intel's continued dominance in the electrical and semiconductor industries.

## Notable For
- **Brand Transition:** It was the first Intel processor to move away from the traditional x86 numbering scheme (like 80486) in favor of the Pentium trademark.
- **P5 Microarchitecture:** It served as the debut platform for the Pentium P5 microarchitecture.
- **Generational Link:** It acts as the primary link between the early 1990s 80486 processors and the later MMX-enabled microprocessor families.
- **Industry Standard:** Established the "586" or "i586" class of processors as the industry standard following the 486 era.

## Body

### Origins and Branding
The Pentium 1 was developed by Intel, a company founded on July 18, 1968, in the United States. The Pentium brand was officially inaugurated in 1993. This new branding replaced the previous naming convention used for the Intel 80486 family, which included the DX, SX, and SL models.

### Technical Architecture
The Pentium 1 is built on the Pentium P5 microarchitecture. It is classified as a microprocessor, defined as a computer processor contained on a single integrated-circuit chip. Within the Pentium 1 family, Intel developed specific iterations known as the P54C and P54CS. These processors were designed to operate at various clock frequencies, with documented specifications including 60 MHz and 75 MHz.

### Lineage and Succession
The Pentium 1 follows the Intel 80486 (1989) and the Intel 80486DX2 (1992). It served as the flagship Intel processor until the introduction of the Pentium with MMX technology, which succeeded the original Pentium models by adding MMX support.

### Nomenclature
In technical and academic contexts, the Pentium 1 is frequently referred to by several aliases. These include the Intel 80586, i586, and the 586 CPU. These names signify its position as the fifth generation of Intel's microprocessors, following the 80486 (486) series.

```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "Pentium 1",
  "description": "A family of Intel microprocessors representing the original Pentium models based on the P5 microarchitecture.",
  "developer": {
    "@type": "Organization",
    "name": "Intel"
  },
  "manufacturer": {
    "@type": "Organization",
    "name": "Intel"
  },
  "brand": {
    "@type": "Brand",
    "name": "Pentium"
  },
  "sameAs": [
    "https://www.wikidata.org/wiki/Q109315181"
  ],
  "additionalType": "http://www.wikidata.org/entity/Q103169"
}