Knowledge Base

PPC 4.0 Cirrus Driver Fails to Redraw & Fill Objects Correctly

Article ID: 157494

Article Last Modified on 11/1/2006

Microsoft Windows NT Workstation 4.0 Developer Edition
Microsoft Windows NT Server 4.0 Standard Edition

This article was previously published under Q157494

SYMPTOMS

When you use Windows NT 4.0 for the PowerPC with a video card that uses the Cirrus driver (Cirrus.dll), the fill color in objects may be lost when the objects are overlapped or moved. This problem may appear in programs such as Paintbrush when you create round rectangles, ellipses, and polygons filled with different colors.

CAUSE

A problem has been identified in Cirrus.dll.

WORKAROUND

To work around this problem, run the program in standard VGA mode, or use a different video card that supports a different driver.

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 4.0. This problem was corrected in the latest Microsoft Windows NT 4.0 U.S. Service Pack. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Additional query words: prodnt

Keywords: kbnetwork KB157494