Codex Gamicus
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Windows 3.1
Front-Cover-Microsoft-Windows-31-INT-PC-3.5.png
Basic Information
Microsoft Corporation
Microsoft Corporation
Type(s)
Operating System
Architecture(s)
80286 and IA-32
Status(es)
Unsupported
Microsoft Windows
Predecessor
Windows 3.00a
Successor
Windows 3.11, Windows for Workgroups 3.1
Codename(s)
Sparta
Platform(s)
MS-DOS
United Nations International Release Date(s)
MS-DOS
April 61992
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Windows 3.1 (codenamed Sparta) is a graphical operating system released by Microsoft Corporation in April 1992. Support officially ended on December 31, 2001. Its business counterpart was Windows for Workgroups 3.1.

Features[]

Windows 3.1 featured many changes over its predecessor Windows 3.00a, such as:

  • Windows 3.1 cannot be run in Real Mode, effectively dropping support for Intel 8086 and 8088 processors; Windows 3.1 requires a minimum of an Intel 80286 CPU.
  • Virtual Memory, a technique for swapping between RAM and disk space that increases the number of applications that can be run simultaneously.
  • Data sharing by applications using Dynamic Data Exchange (DDE) and Object Linking and Embedding (OLE)
  • TrueType Fonts, which are displayed in WYSIWYG fashion and can be scaled to any size. This made Windows 3.1 a viable platform for desktop publishing.
  • Network-aware File Manager and Print Manager utilities, which enables access to shared network drives and printers. The File Manager itself was significantly improved over the one shipped with Windows 3.0.
  • While Windows 3.1 could access a theoretical 4 GB of RAM in 386 Enhanced Mode, the practical upper limit for system memory was 256 MB.
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