NVIDIA has just released the GeForce 197.13 Beta drivers for GeForce 6, 7, 8, 9, 100, 200, 300-series and ION desktop GPUs, but not for the new GTX400 series.

According to NVIDIA, this driver resolves fan speed issues reported with version 196.75 drivers.

What’s new:

* Adds support for Next Generation ION.

* Adds support for GeForce GT 320, GeForce GT 330, and GeForce GT 340.

* Upgrades PhysX System Software to version 9.10.0129.

* Upgrades HD Audio driver to version 1.0.9.1 (for supported GPUs).

* Increases performance in several PC games from v196.21 WHQL. The following are examples of measured improvements. Results will vary depending on your GPU and system configuration:

　　- Up to 13% performance increase in Crysis: Warhead with a single GPU
　　- Up to 30% performance increase in Crysis: Warhead with SLI technology
　　- Up to 13% performance increase in H.A.W.X with single GPU
　　- Up to 15% performance increase in H.A.W.X with SLI technology
　　- Up to 30% performance increase in Left 4 Dead with single GPU
　　- Up to 28% performance increase in Left 4 Dead with SLI technology

* Adds SLI and multi-GPU support for top new gaming titles including Assassin Creed II, Battlefield: Bad Company 2, Command and Conquer 4: Tiberium Twilight, Grand Theft Auto IV: Episodes from Liberty City, Mass Effect 2, Napoleon: Total War, and Zombie Driver.

* Enhanced SLI support for Metro 2033, Supreme Commander 2, Unigine, and World of Warcraft

* Adds override anti-aliasing support for Mass Effect 2.

* Includes numerous bug fixes.

Download:

GeForce/ION Driver 197.13 Windows XP 32-bit
GeForce/ION Driver 197.13 Windows XP 64-bit
GeForce/ION Driver 197.13 Windows 7/Vista 32-bit
GeForce/ION Driver 197.13 Windows 7/Vista 64-bit