http://www.theinquirer.net/?article=21081
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Nvidia updated the audio driver to 4.60 (WHQL), Audio utilities to 4.51, Ethernet driver to 4.68 (WHQL), SMBus driver to 4.45 (WHQL), Installer to version 4.60 and IDE NVIDIA driver to 5.07 (WHQL).

We can add that the driver is WHQL certified and that it will support dual processor systems. Nvidia added support for its Disk Alert System and fixed some general compatibility problems.
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Ecco i driver...credo
http://www.nvidia.com/object/nforce_nf4_winxp_6.39

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Release Notes

* WHQL certified kit
* Standalone drivers with support for nForce4 products, including support for dual-processor systems.
* Added support for NVIDIA Disk Alert System
* General compatibility fixes.

Windows XP Driver Versions

* Audio driver 4.60 (WHQL)
* Audio utilities 4.51
* Ethernet driver 4.68 (WHQL)
* SMBus driver 4.45 (WHQL)
* Installer 4.60
* IDE NVIDIA driver 5.07 (WHQL)
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