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ARCHIVED: In Windows 3.x, what is the maximum swap file size I can use?

Note: The software discussed here is no longer in common use at Indiana University, and UITS may no longer be able to verify the document's accuracy. The UITS Support Center may no longer have the manuals and other materials required to support this software adequately.

Windows 3.x determines your virtual memory limit by rounding the amount of RAM on your system to the nearest 4MB, multiplying by 4, and then subtracting the amount of the system RAM from the total. This is then the maximum amount of virtual memory (swap file size) you can use, provided you have sufficient unfragmented hard disk space. The multiplier of 4 is a default that you can change by editing the system.ini file. Use the setting "PageOverCommit= " in the "[386Enh]" section; the multiplier can be from 1 to 20.

Note: This information originally came from the Microsoft Windows 3.x FAQ maintained by Tom Haapanen and Software Metrics, Inc. This FAQ is no longer available. If you have problems with Windows 3.1, visit the Windows 3.1 FAQ sponsored by Logical Sky Corporation.

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Last modified on October 30, 2008.

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