Microsoft KB Archive/153600

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Missing Extended Memory After Restarting from MS-DOS Mode

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Q153600

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The information in this article applies to:


 * Microsoft Windows 95 OEM Service Release, version 2.0

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SYMPTOMS
After you type "win" to restart Windows 95 from MS-DOS mode, your computer may seem to have lost 2 MB of extended memory.

CAUSE
This problem can occur if you are using QEMM version 7.50 with OEM Service Release 2 (OSR2).

RESOLUTION
To resolve this issue, use any one of the following methods:


 * Type "exit" instead of "win" to return to Windows 95 from MS-DOS mode.
 * Upgrade to QEMM version 8.0 or later.
 * After you restart Windows 95 by typing "win," shut down and restart the computer.

MORE INFORMATION
In OSR2, loading Win.com automatically starts SmartDrive. This is not normally a problem because SmartDrive is released by Win.com in the transition from real mode to protected mode. QEMM, however, allocates specific extended memory that Windows 95 cannot reclaim when Win.com unloads SmartDrive. The memory that cannot be reclaimed is the memory used by SmartDrive.

The third-party product discussed in this article is manufactured by a vendor independent of Microsoft; we make no warranty, implied or other- wise, regarding this product's performance or reliability.

Additional query words: 95

Keywords : diskmem win95

Issue type :

Technology : kbWin95search kbOPKSearch