Microsoft KB Archive/160016

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Parity Errors with DirectX Video Drivers

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Q160016

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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.