hab alles probiert ... sucht mal crackling, poping sound xfi sli vista 4gb in google oder in den creative evga und nv foren ... zum ko....
hier hab ich was gefunden.
4. Optimize BIOS settings for improved audio qualityCrackling and popping during sound playback can often be resolved by changing audio levels in games or modifying BIOS configuration. For further information, please refer to our Knowledge Base article, Solution ID 24699: X-Fi Sound Cards Crackling and Popping.
We suggest that you contact the system vendor for more information on BIOS updates.
Increase VGA Shared Memory Size if you are using an onboard graphics card.
Set AGP Aperture Size (MB) to half of the system's RAM or lower.
Toggle Peer Concurrency.
Toggle Spread Spectrum Control
Toggle Memory Hole
Enable AGP Fast Writes if your graphics card supports it.
Change PCI Latency Timer ( starting with 32).
Invoke dual-channel memory mode on the motherboard. Systems that are not configured in dual-channel mode can experience crackling during games. For more information about invoking dual-channel mode, please refer to your motherboard manufacturer.
Ensure that the SATA hard drive is not conflicting with PCI memory resources. Changing to a different controller may help.
Modify the clock settings on an nVidia GeForce SLI graphics card (for other brands of graphics cards, please consult the documentation for that card or contact the manufacturer):
Right click the Desktop.
From the context menu, choose Properties. The Display Properties window appears.
Click the Settings tab, and then the Advanced button.
In the new window, click the nVidia tab (the one with the nVidia logo).
In the list that appears, click Clock Frequency Settings.
Select the Manual radio button.
In the Settings drop-down menu, choose "Performance (3D)".
Adjust the Memory Clock Speed to your specifications.
Click Test Changes.
Click Apply.
Warning!
Changing the default clock speed on a graphics card can have unexpected results. Please consult your graphics card documentation for further details.
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