windows 3.1 hardware requirements

http://support.microsoft.com/default.aspx?scid=kb;en-us;79749


Windows 3.1 Runs in Standard and Enhanced Modes Only
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This article was previously published under Q79749
Microsoft Windows version 3.1 does not run in real mode on any machine. Real mode has been removed from the Windows product for version 3.1. Windows 3.1 runs on an Intel 80286 or higher processor in standard or enhanced modes only.

System requirements for standard mode are:

* Intel 80286 (or higher) processor
* 1 MB or more of memory (640K conventional and 256K extended)
* 6.5 MB of free disk space (9 MB is recommended)

System requirements for enhanced mode are:

* Intel 80386 (or higher) processor
* 2 MB or more of memory (640K conventional and 1024K extended)
* 8 MB of of free disk space (10.5 MB is recommended)