On behalf of NVIDIA, the Vista Quality Assurance team would like to thank our user community for participating in the bug report system. The information you provided is valuable and will help us improve the quality and performance of our drivers.
As part of this process, we will be periodically sharing updated information on some of the top bug reports we have received on our Vista Beta drivers, common workarounds for certain known issues, and clarifications of issues that are outside of NVIDIA’s control.
Windows Vista Limitations
These are behaviors that may be different from Windows XP and are related directly to the Windows Vista operating system.
Selecting Vertical Sync (vsync) from the NVIDIA Control Panel does not affect DirectX applications.
Due to architectural changes in the new Windows Vista Window Display Driver Model (WDDM), the graphics driver can no longer disable vsync from its own driver or Control Panel. Selecting this option from the NVIDIA Control Panel will have no affect on DirectX applications. For applications that use Direct3D on Vista, use the vertical sync setting within the application. We are adjusting the help text in the NVIDIA Control Panel to make this clearer to our customers.
Horizontal and Vertical span modes are no longer available under Windows Vista.
Due to architectural changes in the new Windows Vista Window Display Driver Model (WDDM), span mode cannot be supported in NVIDIA graphics drivers. NVIDIA recommends using the built-in Windows Vista multi-display modes.
For a list of more features are that are no longer supported in Windows Vista, please view the driver release notes.
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