PRB: Video 7 VRAM II Ergo Video Card Causes Corrupt Display

WARNING: The information in this article has not been confirmed or tested by Microsoft. Some or all of the information in this article has been taken from unconfirmed customer reports. ANY USE BY YOU OF THE INFORMATION PROVIDED IN THIS ARTICLE IS AT YOUR OWN RISK. Microsoft provides this information "as is" without warranty of any kind, either expressed or implied, including but not limited to the implied warranties of merchantability and/or fitness for a particular purpose.

The information in this article applies to:

• Microsoft FoxPro for MS-DOS, version 2.0

SYMPTOMS

Use of a Video 7 VRAM II Ergo video card may cause the FoxPro screen to fill with random characters. The problem might only occur with FoxPro; other applications might not cause these symptoms to appear.

The diagnostics that come with the video card may report a memory error.

CAUSE

The Video 7 VRAM II Ergo video card is configured to have 0 wait states as a default. It must be configured to have 1 wait state in order to work properly with FoxPro (and to prevent the diagnostics from reporting the memory error).

RESOLUTION

For information on changing the wait state for the card, refer to the Video 7 documentation.

MORE INFORMATION

The Video 7 product discussed here is manufactured by a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding this product's performance or reliability.