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Expanded memory: Standards, Implementations & Background

In DOS memory management, expanded memory is a system of bank switching that provided additional memory to DOS programs beyond the limit of conventional memory (640 KiB).

Language: English [EN]
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Expanded memory topic overview

The analysis highlights Standards, Implementations and Background as prominent areas in the source structure around Expanded memory.

Related topics
71
Source areas
7
Connected nodes
78
Extracted relationships
78
Related term clusters
37
Bridge connections
78

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.

Implementations · 23 topics
Overview · 16 topics
Background · 11 topics
Expanded Memory Specification (EMS) · 10 topics
Similar concepts · 6 topics
Decline · 4 topics
Expanded Memory Adapter (XMA) · 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.

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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

Background

Expanded Memory Specification (EMS)

Expanded Memory Adapter (XMA)

Implementations

Decline

Similar concepts

For the semantics nerds

You can skip this section if you’re here for content ideas and keyword inspiration.

Advanced semantic analysis

How Expanded memory connects Entity context

The extracted context around Expanded memory shows recurring relationship patterns in the source. For example, Expanded memory → Above Board, AST Research, Bill Gates, COMDEX, EMS, EMS-compliant, Intel, Intel's, It's, LIM EMS, Lotus Development, MiB, Microsoft, Persyst, Quadram, Slamming, Spring, STB Systems, Tecmar Another extracted example is Expanded memory → EMS, Expanded Memory Adapter, February, IBM, IBM DOS, Intel, LIM, PC, PC Tech Journal, SYS, Unlike EMS, XMA, XMA2EMS, XMAEM. Use these groups to spot repeated connection types before inspecting the individual relationships.

Expanded memory

Top relations

related to Expanded Memory Specification (EMS) · 19
Expanded memory → Above Board, AST Research, Bill Gates, COMDEX, EMS, EMS-compliant, Intel, Intel's, It's, LIM EMS, Lotus Development, MiB, Microsoft, Persyst, Quadram, Slamming, Spring, STB Systems, Tecmar
related to Expanded Memory Adapter (XMA) · 14
Expanded memory → EMS, Expanded Memory Adapter, February, IBM, IBM DOS, Intel, LIM, PC, PC Tech Journal, SYS, Unlike EMS, XMA, XMA2EMS, XMAEM
related to Software emulation · 12
Expanded memory → Beginning, CEMM, Compaq Deskpro, DR DOS, EMM386, Expanded, Functionality, Intel, MS-DOS, Qualitas, Quarterdeck's QEMM, September
related to Expansion boards · 10
Expanded memory → AST RAMpage, Expanded Memory Adapter, Famous, Given, IBM PS/2, Intel Above Board, ISA, Memory Expansion Option, MiB, RAM
related to Decline · 6
Expanded memory → BSD/OS, Linux, New, OS/2, Windows, Windows NT
related to Motherboard chipsets · 4
Expanded memory → Intel, Later, NEAT, Typically
is a · 1
Expanded memory → system of bank switching that provided additional memory to DOS programs beyond the limit of conventional memory

Important terminology

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

Important terminology

memory expanded ems dos ibm intel address standard boards software lim programs mib kib space microsoft used called expanded-memory eems

Expanded memory relationships Subject–Predicate–Object triples

TTTA extracted 78 structured relationships around Expanded memory. Examples in this analysis include Expanded memory → is a → system of bank switching that provided additional memory to DOS programs beyond the limit of conventional memory and Lotus 1-2-3 in the late 1980s through the mid-1990s → instance of → created its own expanded-memory standard called XMA.The use of expanded memory became common with games and business programs. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Expanded memoryis asystem of bank switching that provided additional memory to DOS programs beyond the limit of conventional memory0.90text
Lotus 1-2-3 in the late 1980s through the mid-1990sinstance ofcreated its own expanded-memory standard called XMA.The use of expanded memory became common with games and business programs0.80text
but its use declined as users switched from DOS to protected-mode operating systems such as Linuxinstance ofcreated its own expanded-memory standard called XMA.The use of expanded memory became common with games and business programs0.80text
IBM OS/2instance ofcreated its own expanded-memory standard called XMA.The use of expanded memory became common with games and business programs0.80text
and Microsoft Windowsinstance ofcreated its own expanded-memory standard called XMA.The use of expanded memory became common with games and business programs0.80text
the system BIOSinstance ofand the remaining 384 KiB of memory space is reserved for uses0.80text
video memoryinstance ofand the remaining 384 KiB of memory space is reserved for uses0.80text
and memory on expansion peripheral boards.Even though the IBM PC ATinstance ofand the remaining 384 KiB of memory space is reserved for uses0.80text
introduced in 1984instance ofand the remaining 384 KiB of memory space is reserved for uses0.80text
uses the 80286 chip that can address up to 16 MiB of RAM as extended memoryinstance ofand the remaining 384 KiB of memory space is reserved for uses0.80text
it can only do so in protected modeinstance ofand the remaining 384 KiB of memory space is reserved for uses0.80text
network or video cardsinstance ofas long as it was not associated with interrupts or dedicated I/O memory0.80text

Related concept clusters Related term clusters

The concept neighborhoods around Expanded memory bring nearby vocabulary together. In this analysis, examples include Memory, Ems and Ibm. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Expanded memory
    • Memory
    • Ems
    • Ibm
    • Mib
    • Specification
    • Programs
    • Boards
    • Address
    • Extended
    • Kib
    • Used
    • Using
  • dos memory management
    • Address
    • Ems
    • Expanded-memory
    • Space
    • Ibm
    • Kib
    • Mib
    • Boards
    • Management
    • Extended
    • Later
    • Software
  • dos
    • Management
    • Extended
    • Later
    • Expanded
    • Memory
    • Programs
    • Standard
    • Software
    • Ibm
    • Lotus
    • Supported
    • Additional
  • ibm os/2
    • Boards
    • Xma
    • Expansion
    • Pc
    • Memory
    • Standard
    • System
    • Systems
    • Extended
    • Called
    • Mib
    • Intel
  • ibm pc
    • Boards
    • System
    • Xma
    • Expansion
    • Ram
    • Pc
    • Memory
    • Standard
    • Systems
    • Extended
    • Called
    • Mib
  • ibm pc/xt
    • Boards
    • System
    • Xma
    • Expansion
    • Ram
    • Pc
    • Memory
    • Standard
    • Systems
    • Extended
    • Called
    • Mib
  • ibm pc at
    • Boards
    • System
    • Xma
    • Expansion
    • Ram
    • Pc
    • Memory
    • Standard
    • Systems
    • Extended
    • Called
    • Mib
  • dr dos 5.0
    • Management
    • Extended
    • Later
    • Expanded
    • Memory
    • Programs
    • Standard
    • Software
    • Ibm
    • Lotus
    • Supported
    • Additional

Connections between topic areas Semantic bridges

For Expanded memory, one of the stronger structural bridges in this analysis connects Expanded memory with Implementations. 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
Expanded memory — Implementations · splits 55 ⟂ 24
Expanded memory — Overview · splits 62 ⟂ 17
Expanded memory — Background · splits 67 ⟂ 12
Expanded memory — Expanded Memory Specification (EMS) · splits 68 ⟂ 11
Expanded memory — Similar concepts · splits 72 ⟂ 7
Expanded memory — Decline · splits 74 ⟂ 5

Map overview Semantic statistics

Expanded memory

Nodes79
Edges78
Triples78
Avg. degree1.97
Density0.025316
Components1

Source & methodology

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

Source: Wikipedia — Expanded memory · EN edition · Analysis: TopicsToTalkAbout

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