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Commodore 1540: Overview, Related Topics & Entities

The Commodore 1540 (also known as the VIC-1540) is the companion floppy disk drive for the VIC-20 home computer. It was introduced in 1982. It uses single-sided 5¼" floppy disks, on which it stores roughly 170 kB of data using Commodore's GCR data encoding scheme.

Language: English [EN]
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Commodore 1540 topic overview

The analysis highlights Overview, Related Topics and Entities as prominent areas in the source structure around Commodore 1540.

Related topics
13
Source areas
1
Connected nodes
14
Extracted relationships
14
Concept neighborhoods
14
Bridge connections
14

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.

Overview · 13 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.

Backward compatibility
VIC-20
Connectivity
Commodore proprietary serial IEEE-488 0.4 kB/s
CPU
MOS 6502 @ 1 MHz
Discontinued
1983
Manufacturer
Commodore Business Machines
Media
5¼" floppy disk SS SD

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

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 Commodore 1540 connects Entity context

The extracted context around Commodore 1540 shows recurring relationship patterns in the source. For example, Commodore 1540 → VIC-20 Another extracted example is Commodore 1540 → Commodore proprietary serial IEEE-488 0.4 kB/s. Use these groups to spot repeated connection types before inspecting the individual relationships.

Commodore 1540

Top relations

Backward compatibility · 1
Commodore 1540 → VIC-20
Connectivity · 1
Commodore 1540 → Commodore proprietary serial IEEE-488 0.4 kB/s
CPU · 1
Commodore 1540 → MOS 6502 @ 1 MHz
Discontinued · 1
Commodore 1540 → 1983
Manufacturer · 1
Commodore 1540 → Commodore Business Machines
Media · 1
Commodore 1540 → 5¼" floppy disk SS SD
Memory · 1
Commodore 1540 → 2 kB RAM, 16kB ROM
Operating system · 1
Commodore 1540 → CBM DOS 2.6
Power · 1
Commodore 1540 → 100, 120, 220, or 240 V 50/60 Hz 25 W (30 W max)
Related · 1
Commodore 1540 → Commodore 1570 Commodore 1571

Important terminology

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

Important terminology

vic-20 1540 drive disk 1541 floppy commodore rom computer c64 media also work home low price would almost close still

Commodore 1540 relationships Subject–Predicate–Object triples

TTTA extracted 14 structured relationships around Commodore 1540. Examples in this analysis include Commodore 1540 → Backward compatibility → VIC-20 and Commodore 1540 → Connectivity → Commodore proprietary serial IEEE-488 0.4 kB/s. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Commodore 1540Backward compatibilityVIC-201.00infobox
Commodore 1540ConnectivityCommodore proprietary serial IEEE-488 0.4 kB/s1.00infobox
Commodore 1540CPUMOS 6502 @ 1 MHz1.00infobox
Commodore 1540Discontinued19831.00infobox
Commodore 1540ManufacturerCommodore Business Machines1.00infobox
Commodore 1540Media5¼" floppy disk SS SD1.00infobox
Commodore 1540Memory2 kB RAM, 16kB ROM1.00infobox
Commodore 1540Operating systemCBM DOS 2.61.00infobox
Commodore 1540Power100, 120, 220, or 240 V 50/60 Hz 25 W (30 W max)1.00infobox
Commodore 1540RelatedCommodore 1570 Commodore 15711.00infobox
Commodore 1540Released1981 (1981)1.00infobox
Commodore 1540Storage170 kB1.00infobox
Commodore 1540SuccessorCommodore 15411.00infobox
Commodore 1540TypeFloppy disk drive1.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around Commodore 1540 bring nearby vocabulary together. In this analysis, examples include Disk, Vic-20 and Computer. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • floppy disk
    • Computer
    • Vic-20
    • Drive
    • 5¼
    • Almost
    • Cpu
    • Dos
    • Home
    • Kb
    • Mos
    • Operating
    • System
  • Commodore 1540
    • Disk
    • Vic-20
    • Computer
    • Drive
    • Floppy
    • Cpu
    • Dos
    • Home
    • Mos
    • Operating
    • System
    • Rom
  • commodore 1540
    • Disk
    • Vic-20
    • Computer
    • Drive
    • Floppy
    • Cpu
    • Dos
    • Home
    • Mos
    • Operating
    • System
    • Rom
  • commodore 64
    • Disk
    • Vic-20
    • Computer
    • Drive
    • Floppy
    • Cpu
    • Dos
    • Home
    • Mos
    • Operating
    • System
    • Rom
  • commodore dos
    • Mos
    • Operating
    • System
    • Disk
    • Vic-20
    • Computer
    • Drive
    • Rom
    • Floppy
    • Cpu
    • Dos
    • Home
  • disk operating system
    • System
    • Computer
    • Vic-20
    • Rom
    • Drive
    • Floppy
    • Cpu
    • Dos
    • Home
    • Kb
    • Memory
    • Mos
  • home computer
    • Disk
    • Computer
    • Home
    • Known
    • Vic-1540
    • Vic-20
    • Almost
    • Cpu
    • Dos
    • Mos
    • Operating
    • System
  • vic-20
    • Media
    • Almost
    • Close
    • Cpu
    • Dos
    • Mos
    • Operating
    • System
    • Rom
    • Kb
    • Memory
    • Relatively

Connections between topic areas Semantic bridges

Bridges highlight paths between different parts of the Commodore 1540 map and can reveal research angles that are easy to miss in a flat list.

Min side: 3

Map overview Semantic statistics

Commodore 1540

Nodes15
Edges14
Triples14
Avg. degree1.87
Density0.133333
Components1

Source & methodology

TTTA analyzes the structure around Commodore 1540 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Overview, Related Topics & Entities, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Commodore 1540 · EN edition · Analysis: TopicsToTalkAbout

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