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IBM Personal Computer AT: History, Measurement, Standards & Products

The IBM Personal Computer AT (model 5170, abbreviated as IBM AT or PC/AT) was released in August 1984 as the fourth model in the IBM Personal Computer line, following the IBM PC XT and its IBM Portable PC variant. It is based on the 16-bit Intel 80286 microprocessor; the three earlier systems are all Intel 8088-based. The system sold for approximately…

Language: English [EN]
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IBM Personal Computer AT topic overview

The analysis highlights History, Measurement, Standards and Products as prominent areas in the source structure around IBM Personal Computer AT.

Related topics
63
Source areas
7
Connected nodes
70
Extracted relationships
22
Concept neighborhoods
26
Bridge connections
70

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Features · 34 topics
Clones · 12 topics
Overview · 7 topics
Successor · 4 topics
Reception · 3 topics
History · 2 topics
Problems · 1 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Also known as
IBM AT, PC/AT
CPU
Intel 80286 @ 6 and 8 MHz
Discontinued
April 2, 1987
Graphics
CGA, EGA
Input
Parallel, serial
Introductory price
Approx. US$6,000 (equivalent to $19,400 in 2025)

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

History

Features

Problems

Clones

Reception

Successor

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How IBM Personal Computer AT connects Entity context

The extracted context around IBM Personal Computer AT shows recurring relationship patterns in the source. For example, IBM Personal Computer AT → IBM & SCO Xenix, IBM PC DOS 3.0+, OS/2 1.x, PC/IX 1.1, Windows 1.0–3.1 Another extracted example is IBM Personal Computer AT → IBM AT, PC/AT. Use these groups to spot repeated connection types before inspecting the individual relationships.

IBM Personal Computer AT

Top relations

Operating system · 5
IBM Personal Computer AT → IBM & SCO Xenix, IBM PC DOS 3.0+, OS/2 1.x, PC/IX 1.1, Windows 1.0–3.1
Also known as · 1
IBM Personal Computer AT → IBM AT, PC/AT
CPU · 1
IBM Personal Computer AT → Intel 80286 @ 6 and 8 MHz
Discontinued · 1
IBM Personal Computer AT → April 2, 1987
Graphics · 1
IBM Personal Computer AT → CGA, EGA
Input · 1
IBM Personal Computer AT → Parallel, serial
Introductory price · 1
IBM Personal Computer AT → Approx. US$6,000 (equivalent to $19,400 in 2025)
Lifespan · 1
IBM Personal Computer AT → 1984–1987
Manufacturer · 1
IBM Personal Computer AT → IBM
Memory · 1
IBM Personal Computer AT → 256–512 KB onboard + 3.5 MB with additional memory cards

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

pc ibm drive computer power disk line models system xt also floppy 1984 intel 80286 keyboard personal mb kb sold

IBM Personal Computer AT relationships Subject–Predicate–Object triples

TTTA extracted 22 structured relationships around IBM Personal Computer AT. Examples in this analysis include IBM Personal Computer AT → Also known as → IBM AT, PC/AT and IBM Personal Computer AT → CPU → Intel 80286 @ 6 and 8 MHz. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
IBM Personal Computer ATAlso known asIBM AT, PC/AT1.00infobox
IBM Personal Computer ATCPUIntel 80286 @ 6 and 8 MHz1.00infobox
IBM Personal Computer ATDiscontinuedApril 2, 19871.00infobox
IBM Personal Computer ATGraphicsCGA, EGA1.00infobox
IBM Personal Computer ATInputParallel, serial1.00infobox
IBM Personal Computer ATIntroductory priceApprox. US$6,000 (equivalent to $19,400 in 2025)1.00infobox
IBM Personal Computer ATLifespan1984–19871.00infobox
IBM Personal Computer ATManufacturerIBM1.00infobox
IBM Personal Computer ATMemory256–512 KB onboard + 3.5 MB with additional memory cards1.00infobox
IBM Personal Computer ATOperating systemIBM PC DOS 3.0+1.00infobox
IBM Personal Computer ATOperating systemOS/2 1.x1.00infobox
IBM Personal Computer ATOperating systemPC/IX 1.11.00infobox
IBM Personal Computer ATOperating systemIBM & SCO Xenix1.00infobox
IBM Personal Computer ATOperating systemWindows 1.0–3.11.00infobox
IBM Personal Computer ATPower120/240 VAC1.00infobox
IBM Personal Computer ATPredecessorIBM Personal Computer XT1.00infobox
IBM Personal Computer ATRelatedList of IBM Personal Computer models1.00infobox
IBM Personal Computer ATReleasedAugust 14, 1984; 42 years ago (1984-08-14)1.00infobox
IBM Personal Computer ATStorage20 MB hard drive 1.2 MB HD 5.25" (135 mm) floppy drive1.00infobox
IBM Personal Computer ATSuccessorIBM Personal System/21.00infobox
IBM Personal Computer ATTypePersonal Computer1.00infobox
IBM Personal Computer ATUnits sold>100,0001.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around IBM Personal Computer AT bring nearby vocabulary together. In this analysis, examples include Pc, Models and Personal. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • IBM Personal Computer AT
    • Pc
    • Models
    • Personal
    • Ps
    • Intel
    • System
    • Line
    • Computer
    • Ibm
    • Power
    • Keyboard
    • Xt
  • ibm personal computer at
    • Pc
    • System
    • Personal
    • Power
    • Models
    • Ibm's
    • Ps
    • Intel
    • Xt
    • Features
    • Line
    • Computer
  • ibm personal computer
    • Pc
    • System
    • Personal
    • Power
    • Models
    • Ibm's
    • Ps
    • Intel
    • Xt
    • Features
    • Line
    • Computer
  • ibm pc xt
    • Pc
    • Xt
    • Models
    • Personal
    • Ps
    • Intel
    • Model
    • System
    • Line
    • Computer
    • Power
    • Release
  • ibm portable pc
    • Pc
    • Xt
    • Models
    • Personal
    • Ps
    • Intel
    • System
    • Line
    • Computer
    • Power
    • Release
    • Features
  • ibm ps/2
    • Pc
    • Models
    • Personal
    • Ps
    • Intel
    • System
    • Line
    • Computer
    • Power
    • Xt
    • Release
    • Expansion
  • ibm
    • Pc
    • Models
    • Personal
    • Ps
    • Intel
    • System
    • Line
    • Computer
    • Power
    • Xt
    • Features
    • Machine
  • ibm pc compatible
    • Pc
    • Xt
    • Models
    • Personal
    • Ps
    • Intel
    • System
    • Line
    • Computer
    • Power
    • Release
    • Features

Connections between topic areas Semantic bridges

For IBM Personal Computer AT, one of the stronger structural bridges in this analysis connects IBM Personal Computer AT with Features. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
IBM Personal Computer AT — Features · splits 36 ⟂ 35
IBM Personal Computer AT — Clones · splits 58 ⟂ 13
IBM Personal Computer AT — Overview · splits 63 ⟂ 8
IBM Personal Computer AT — Successor · splits 66 ⟂ 5
IBM Personal Computer AT — Reception · splits 67 ⟂ 4
IBM Personal Computer AT — History · splits 68 ⟂ 3

Map overview Semantic statistics

IBM Personal Computer AT

Nodes71
Edges70
Triples22
Avg. degree1.97
Density0.028169
Components1

Source & methodology

TTTA analyzes the structure around IBM Personal Computer AT to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Measurement, Standards & Products, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — IBM Personal Computer AT · EN edition · Analysis: TopicsToTalkAbout

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