"Invalid Graphics Driver" Displays With XGA D

DocumentID: 609154
Revision Date: 29-Feb-96 1:33:59 PM

The information in this document applies to:
WordPerfect® 5.1 for DOS

Problem

Symptoms: A customer receives the error "Invalid Graphics Driver" when entering View Document. The customer has an IBM PS/2 Model 80 with an XGA card. When the customer selects the XGA driver in Setup, Display (Shift-F1, 2, 2) with any resolution, the error appears. The IBM VGA driver works. Another customer is getting the same error message with an ATI Ultra/8514 graphics card and driver running under Windows. Solutions: The XGA card is similar to the 8514/A card in that an Adapter Interface (device driver) has to be loaded for its extended capabilities to work. The XGA card requires a device called XGAAIDOS.SYS to be loaded in the CONFIG.SYS file. This file comes with the graphics card. Adding the following line to the CONFIG.SYS solved the problem: DEVICE=C:\XGAPCDOS\XGAAIDOS.SYS This device driver is not required for Windows or Windows applications. With Windows using an XGA driver, you cannot run DOS applications in XGA mode. This is a limitation of Windows. The same is true of Windows running with the 8514/A driver. An ATI Ultra card is essentially an 8514. A second customer with this problem was able to work around it by using drivers for WP that used the capabilities of the VGA card (e.g., if the customer was using a TSENG VGA card with the ATI Ultra, he could select a TSENG 1024x768 256-color driver in WP 5.1 DOS and use the ATI driver in Windows or vice versa).

Answer:

Details:

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