Knowledge Base

Direct Draw Programs May Hang NT 4.0 with S3 968 Video Chipset

Article ID: 164826

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 Q164826

SYMPTOMS

Windows NT 4.0 may stop responding (hang) when using Direct Draw applications on a computer with an S3 video adapter with the 968 chipset.

CAUSE

This problem can occur when the pixel formatter of the Direct Draw code path sends a bit level transfer of less than 32 pixels.

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 S3 968 lock hang sp3

Keywords: kb3rdparty kbbug KB164826