DOCUMENT:Q160016  13-JUN-2001  [win95x]
TITLE   :Parity Errors with DirectX Video Drivers
PRODUCT :Microsoft Windows 95.x Retail Product
PROD/VER:WINDOWS:95
OPER/SYS:
KEYWORDS:osr2 win95kbfaq

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The information in this article applies to:

 - Microsoft Windows 95 
 - Microsoft Windows 95 OEM Service Release, version 2.0 
 - Microsoft Plus! for Windows 95 
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SYMPTOMS
========

After you install DirectX video drivers, you may receive the following error
message when you start your computer:

   System Error
   Memory parity error detected.
   System halted.

CAUSE
=====

This behavior can occur if all of the following conditions are true:

 - Your computer uses a chip set that checks parity on video memory.

 - The video memory on your video card is not parity memory.

 - A memory-mapped video driver such as a DirectX-enabled video driver is
   installed in your computer.

RESOLUTION
==========

To prevent this issue from occurring, do not install a memory mapped video
driver.

MORE INFORMATION
================

For additional information about the video memory capabilities of your video
adapter, refer to your hardware documentation, or consult your hardware vendor.


REFERENCES
==========

For additional information about parity error messages in Microsoft Windows,
please see the following articles in the Microsoft Knowledge Base:

   Q93521 Parity Errors in Windows 3.x

   Q134503 Parity Error Messages May Indicate Bad Memory

Additional query words: win95x plus95 direct-x dx dx6

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Keywords          : osr2 win95 kbfaq
Technology        : kbWin95search kbGamesSearch kbPlusSearch kbOPKSearch kbWin95 kbPlus95
Version           : WINDOWS:95
Issue type        : kbprb

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