Microsoft KB Archive/132613

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Memory Problems on EISA Computers

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Q132613

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The information in this article applies to:


 * Microsoft Windows 95

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SYMPTOMS
On an EISA computer, you may see any of the following symptoms:


 * Windows 95 or programs running in Windows 95 fail to start. Error messages indicating that the problem is related to memory may or may not be displayed.
 * Different programs report different values for installed memory.
 * At startup, Himem.sys reports that bad memory is installed on the computer.

CAUSE
The CMOS in the EISA computer contains incorrect information about the amount of RAM that is installed. Windows 95 queries the EISA CMOS directly to find out how much RAM is installed on the computer and then uses that information to locate and use the installed RAM. If the amount of installed RAM reported by the CMOS is incorrect, Windows 95 may become unstable, leading to the symptoms described above.

These problems do not appear to be dependent on the amount of RAM that is installed on the computer, although the problems may occur more frequently or be more pronounced on computers with more than 16 MB of installed RAM.

RESOLUTION
Make sure that the CMOS on the computer contains accurate information about the amount of RAM installed. For more information about how to do so, contact your computer manufacturer.

If you are unable to access the CMOS in the computer, or if you are unable to find out if the symptoms you are experiencing are being caused by an incorrect EISA memory configuration, add the following line to the Config.sys file:

  DEVICE=C:\WINDOWS\HIMEM.SYS /NOEISA

MORE INFORMATION
The third-party products discussed here are manufactured by vendors independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability.

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Technology : kbWin95search kbWin95