# IBM PC keyboard

> computer hardware

**Wikidata**: [Q5968925](https://www.wikidata.org/wiki/Q5968925)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/IBM_PC_keyboard)  
**Source**: https://4ort.xyz/entity/ibm-pc-keyboard

## Summary  
The IBM PC keyboard is a computer keyboard manufactured by IBM that serves as the standard input device for IBM PC‑compatible systems.  It belongs to the broader class of computer keyboards and is commonly referenced by aliases such as IBM AT‑101, XT‑keyboard, AT‑keyboard, and PS/2‑keyboard.

## Key Facts  
- **Manufacturer:** IBM (source: structured properties).  
- **Classification:** Subclass of *computer keyboard* (source: subclass_of).  
- **Primary Platform:** Designed for *IBM PC compatible* computers (source: facet_of).  
- **Common Aliases:** IBM AT‑101, XT‑keyboard, AT‑keyboard, PS/2‑keyboard, and PC‑клавиатура (source: aliases).  
- **Physical Variants:** Includes the Model M (102‑key), Model F XT, and Model F AT designs (source: image URLs).  
- **Wikipedia Presence:** Article exists in English, Korean, Russian, and Vietnamese (source: wikipedia_languages).  
- **Sitelink Count:** Four language editions link to the entry (source: sitelink_count).  

## FAQs  
### Q: What is the IBM PC keyboard?  
**A:** It is an IBM‑manufactured computer keyboard that functions as the standard input device for IBM PC‑compatible computers.  

### Q: Which IBM keyboard models are part of the IBM PC keyboard family?  
**A:** The family includes the Model M (102‑key), Model F XT, and Model F AT, each depicted in publicly available images.  

### Q: Why does the IBM PC keyboard have many aliases?  
**A:** Because it has been used across multiple IBM PC generations (AT, XT, PS/2) and is referenced in different languages and contexts, leading to names like IBM AT‑101, XT‑keyboard, and PS/2‑keyboard.  

### Q: Is the IBM PC keyboard still relevant today?  
**A:** Yes; its layout and connector standards (e.g., PS/2) influenced modern keyboards and remain recognizable in contemporary PC hardware.  

### Q: How is the IBM PC keyboard categorized in knowledge bases?  
**A:** It is listed as a subclass of *computer keyboard* and is linked to the broader concept of *IBM PC compatible* devices.  

## Why It Matters  
The IBM PC keyboard set the de‑facto standard for personal‑computer input devices during the early era of IBM‑compatible machines. By establishing a consistent key layout, tactile feel, and connector type (notably the PS/2 interface), it enabled software developers and hardware manufacturers to design applications and peripherals with a reliable expectation of user interaction. Its iconic designs—such as the Model M with its buckling‑spring mechanism—are still celebrated for durability and typing comfort, influencing modern mechanical keyboards. Moreover, the keyboard’s widespread adoption helped cement IBM’s role in shaping the PC ecosystem, making it a reference point for ergonomics, key mapping, and hardware compatibility that persists in today’s computing environment.  

## Notable For  
- **Standardization:** Provided a uniform key layout for IBM PC‑compatible systems.  
- **Durability:** Model M’s buckling‑spring mechanism is renowned for long‑lasting performance.  
- **Connector Evolution:** Early adoption of the PS/2 interface, a precursor to later USB keyboards.  
- **Cross‑Generation Use:** Served AT, XT, and later PS/2 IBM computers, reflected in its multiple aliases.  
- **Cultural Impact:** Recognized worldwide, with Wikipedia entries in four languages and extensive image documentation.  

## Body  

### History  
- The IBM PC keyboard emerged alongside IBM’s early personal‑computer lines, aligning with the AT, XT, and later PS/2 platforms.  
- Its design evolution is documented through distinct models (Model M, Model F XT, Model F AT).  

### Design and Construction  
- **Key Mechanism:** The Model M employs a buckling‑spring mechanism, noted for tactile feedback and longevity.  
- **Form Factor:** Available in a 102‑key layout, matching the standard PC keyboard footprint.  
- **Connector:** Early versions used the PS/2 connector, a hallmark of IBM’s hardware interface strategy.  

### Variants  
| Model | Notable Feature | Image Reference |
|-------|----------------|-----------------|
| Model M | 102‑key layout, buckling‑spring keys | https://commons.wikimedia.org/wiki/Special:FilePath/102-key_Model_M.jpg |
| Model F XT | Designed for IBM XT systems | https://commons.wikimedia.org/wiki/Special:FilePath/IBM_Model_F_XT.png |
| Model F AT | Tailored for IBM AT systems | https://commons.wikimedia.org/wiki/Special:FilePath/IBM_Model_F_AT.png |

### Compatibility  
- Classified under the *IBM PC compatible* facet, ensuring it works with the broad family of IBM‑compatible PCs.  
- Recognized by multiple aliases across languages and hardware generations, reflecting its adaptability.  

### Legacy  
- The IBM PC keyboard’s layout and mechanical design have become a benchmark for modern mechanical keyboards.  
- Its PS/2 connector set a precedent for standardized peripheral connections before the rise of USB.  

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*All information presented is derived from the provided source material and does not include external data.*