NVIDIA released a new driver for GeForce 6, 7, 8, 9, and 200-series desktop GPUs.

New in Release 185.81:

• Adds support for the new GeForce GTX 275 GPU.
• Adds support for Ambient Occlusion – the newest NVIDIA Control Panel feature to offer enhanced 3D gaming realism exclusively to GeForce GPUs.
• Adds support for CUDA 2.2 for improved performance in GPU Computing applications. See www.nvidia.com/cuda for more details.
• Accelerates performance in several 3D applications. The following are examples of improvements measured with Release 185 drivers vs. Release 182 drivers (results will vary depending on your GPU, system configuration, and game settings):
  • Up to 25% performance increase in The Chronicles of Riddick: Assault on Dark Athena
  • Up to 22% performance increase in Crysis: Warhead with antialiasing enabled
  • Up to 11% performance increase in Fallout 3 with antialiasing enabled
  • Up to 14% performance increase in Far Cry 2
  • Up to 30% performance increase in Half-Life 2 engine games with 3-way and 4-way SLI
  • Up to 45% performance increase in Mirror’s Edge with antialiasing enabled
• Automatically installs the new PhysX System Software version 9.09.0203.
• Supports GeForce Plus Power Pack #3. Download these FREE PhysX and CUDA applications now!
• Numerous bug fixes. Refer to the release documentation notes.

Existing Support:
 

• Supports single GPU and NVIDIA SLI technology* on DirectX 9 and OpenGL, including SLI support on SLI-certified Intel X58-based motherboards.
• Includes full support for OpenGL 3.0.
• Supports NVIDIA SLI Multi-monitor support, giving you the ability to use two monitors with your GeForce graphics cards in SLI mode. Learn more here.
• Supports NVIDIA PhysX acceleration on a dedicated GeForce graphics card. Use one card for graphics and dedicate a different card for PhysX processing for game-changing physical effects. Learn more here. Note: GPU PhysX is supported on all GeForce 8-series, 9-series and 200-series GPUs with a minimum of 256MB dedicated graphics memory.
• Supports GPU overclocking and temperature monitoring by installing NVIDIA System Tools software.