Microsoft KB Archive/83240

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Professional Oracle Error: No Extended Memory Available

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Q83240

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The information in this article applies to:


 * Microsoft Windows versions 3.0, 3.0a, 3.1, 3.11

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SUMMARY
Attempting to run Professional Oracle version 5.1 under Windows 3.0 and Microsoft Windows operating system version 3.1 produces the error:

No extended memory available

This error occurs because Oracle uses the INT15 extended memory allocation rather than using the Microsoft eXtended Memory Specification (XMS). Oracle can be run from Windows 3.0 only in real mode, with HIMEM.SYS version 2.60 removed from the CONFIG.SYS file.

Professional Oracle will not run under Windows 3.1.

For Oracle to work properly under Windows 3.0 with the HIMEM.SYS file loaded, Oracle must be modified to use XMS memory allocation rather than using Int15.

MORE INFORMATION
With MS-DOS 5.0 and Windows 3.1, HIMEM.SYS includes an /INT15 switch. This switch is not available with previous versions of MS-DOS or Windows. The device line in CONFIG.SYS should read as follows

   Device=C:\DOS\HIMEM.SYS /INT15=XXX where XXX represents the amount of extended memory in kilobytes not to be converted to XMS.

Valid ranges for XXX are 64 through 65535.

Additional query words: 3.00 3.00a 3.0a DOS 5 Himem Switch

Keywords : win31

Issue type :

Technology : kbWin3xSearch kbWin300 kbWin300a kbWin310 kbWin311