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Commodore 1541: History & Applications
The Commodore 1541 (also known as the CBM 1541 and VIC-1541) is a floppy disk drive which was made by Commodore International for the Commodore 64 (C64), Commodore's most popular home computer. The best-known floppy disk drive for the C64, the 1541 is a single-sided 170-kilobyte drive for 5¼" disks. The 1541 directly followed the Commodore 1540 (meant…
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Commodore 1541 topic overview
The analysis highlights History and Applications as prominent areas in the source structure around Commodore 1541.
Related topics
81
Source areas
6
Connected nodes
87
Extracted relationships
58
Concept neighborhoods
25
Bridge connections
87
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.
The throughput debacle and fastloaders · 22 topics
History · 21 topics
Overview · 16 topics
Design · 13 topics
Media · 6 topics
Uses · 3 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
Commodore 64, VIC-20
Connectivity
Commodore proprietary serial IEEE-488 0.4 KB/s
CPU
MOS 6502 @ 1 MHz
Discontinued
1993
Introductory price
US$399 (equivalent to $1,331 in 2025)
Manufacturer
Commodore Business Machines
Explore all related topics Closing gaps
A structured outline of related entities, concepts and subtopics. Open any item to build a new map centered on it.
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.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
How Commodore 1541 connects Entity context
Entity context groups extracted connections by relationship type. Counts show recurrence in the analyzed source; the examples are research signals, not claims about importance.
The extracted context around Commodore 1541 shows recurring relationship patterns in the source. For example, Commodore 1541 → All, Alps, Blue Chip Electronics's BCD/5, C64, CBM, CMD's FD-2000, Commodore, Enhancer, Examples, Excelerator, FD-4000, II, Indus GT, MSD Super Disk, Nevertheless, Newtronics, Oceanic OC-118, The, Then, VIC-1540 Another extracted example is Commodore 1541 → And, Aug, Beyond, BitsaversFreespin, Commodore, COMPUTE, Disk Drive Talk, Disk Preservation Project, February, Gazette, Magazine Issue, Maintenance Guide, Mass Storage For The, Project, Ultimate Commodore, VCF West. Use these groups to spot repeated connection types before inspecting the individual relationships.
Commodore 1541
Top relations
related to Versions and third-party clones· 23
Commodore 1541 → All, Alps, Blue Chip Electronics's BCD/5, C64, CBM, CMD's FD-2000, Commodore, Enhancer, Examples, Excelerator, FD-4000, II, Indus GT, MSD Super Disk, Nevertheless, Newtronics, Oceanic OC-118, The, Then, VIC-1540
related to External links· 16
Commodore 1541 → And, Aug, Beyond, BitsaversFreespin, Commodore, COMPUTE, Disk Drive Talk, Disk Preservation Project, February, Gazette, Magazine Issue, Maintenance Guide, Mass Storage For The, Project, Ultimate Commodore, VCF West
Backward compatibility· 1
Commodore 1541 → Commodore 64, VIC-20
Connectivity· 1
Commodore 1541 → Commodore proprietary serial IEEE-488 0.4 KB/s
CPU· 1
Commodore 1541 → MOS 6502 @ 1 MHz
Discontinued· 1
Commodore 1541 → 1993
Introductory price· 1
Commodore 1541 → US$399 (equivalent to $1,331 in 2025)
Manufacturer· 1
Commodore 1541 → Commodore Business Machines
Media· 1
Commodore 1541 → 5¼" DD floppy disk
Memory· 1
Commodore 1541 → 2 KB RAM, 16 KB ROM
Important terminology
Frequent words and multi-word phrases across the lead, headings, infobox and body. Useful for terminology coverage.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
Relationships are represented as Subject → Predicate → Object triples. Confidence describes extraction strength, not the real-world importance of a relationship; lower-confidence rows may be contextual rather than explicit.
TTTA extracted 58 structured relationships around Commodore 1541. Examples in this analysis include Commodore 1541 → Backward compatibility → Commodore 64, VIC-20 and Commodore 1541 → Connectivity → Commodore proprietary serial IEEE-488 0.4 KB/s. The table shows each extracted connection, where it came from and its confidence.
Subject
Predicate
Object
Confidence
Src
Commodore 1541
Backward compatibility
Commodore 64, VIC-20
1.00
infobox
Commodore 1541
Connectivity
Commodore proprietary serial IEEE-488 0.4 KB/s
1.00
infobox
Commodore 1541
CPU
MOS 6502 @ 1 MHz
1.00
infobox
Commodore 1541
Discontinued
1993
1.00
infobox
Commodore 1541
Introductory price
US$399 (equivalent to $1,331 in 2025)
1.00
infobox
Commodore 1541
Manufacturer
Commodore Business Machines
1.00
infobox
Commodore 1541
Media
5¼" DD floppy disk
1.00
infobox
Commodore 1541
Memory
2 KB RAM, 16 KB ROM
1.00
infobox
Commodore 1541
Operating system
CBM DOS 2.6
1.00
infobox
Commodore 1541
Power
100, 120, 220, or 240 V 50/60 Hz 25 W (30 W max)
1.00
infobox
Commodore 1541
Predecessor
Commodore 1540
1.00
infobox
Commodore 1541
Related
Commodore 2031, 4040 & 1551
1.00
infobox
Commodore 1541
Released
1982; 44 years ago (1982)
1.00
infobox
Commodore 1541
Storage
170 KB
1.00
infobox
Commodore 1541
Successor
Commodore 1570 & 1571
1.00
infobox
Commodore 1541
Type
Floppy disk drive
1.00
infobox
No triples extracted yet.
Related concept clusters Concept neighborhoods
Concept neighborhoods group terms that sit near one another in the extracted graph. They are useful for discovering adjacent language and context, but proximity does not by itself imply a factual relationship.
The concept neighborhoods around Commodore 1541 bring nearby vocabulary together. In this analysis, examples include Drive, C64 and Use. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
Commodore 1541
Drive
C64
Use
Computer
Dos
Disk
Hardware
Interface
Vic-20
Floppy
Newtronics
Copy
commodore 1541
Drive
C64
Use
Computer
Dos
Disk
Hardware
Interface
Vic-20
Floppy
Newtronics
Copy
floppy disk drive
Drive
Copy
System
One
Uses
Floppy
Dos
Drives
Mechanism
Computer
Disks
Use
commodore international
Drive
C64
Use
Computer
Dos
Disk
Hardware
Interface
Vic-20
Floppy
Newtronics
Copy
commodore 64
Drive
C64
Use
Computer
Dos
Disk
Hardware
Interface
Vic-20
Floppy
Newtronics
Copy
commodore 1540
Drive
C64
Use
Computer
Dos
Disk
Hardware
Interface
Vic-20
Floppy
Newtronics
Copy
disk controller
Drive
Copy
System
Dos
Floppy
Drives
Computer
Operating
Uses
Head
Track
One
disk operating system
System
Drive
Dos
Uses
Bytes
Copy
Vic-20
Number
Floppy
Drives
Computer
Header
Connections between topic areas Semantic bridges
Semantic bridges connect parts of the graph that would otherwise be more separate. A bridge is a structural signal in this analysis, not a claim that the two topic areas are equivalent.
For Commodore 1541, one of the stronger structural bridges in this analysis connects Commodore 1541 with The throughput debacle and fastloaders. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.
Commodore 1541
Nodes88
Edges87
Triples58
Avg. degree1.98
Density0.022727
Components1
Source & methodology
TTTA analyzes the structure around Commodore 1541 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History & Applications, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
