Compatible Operating Systems

The latest version of the AMD Catalyst software suite is designed to support the following Microsoft Windows platforms:

• Windows 7 32-bit version
• Windows 7 64-bit version
• Windows Vista 32-bit version
• Windows Vista 64-bit version
• Windows XP Professional
• Windows XP Home Edition
• Windows XP Media Center Edition
• Windows XP Professional x64 EditionHighlights of the AMD Catalyst 12.1 Windows release includes:

• Enables support for AMD HD3D technology in conjunction with AMD CrossFireX configurations
• Delivers a new Stereo 3D mode over HDMI 1.4a connections - 1080p at 30Hz is now enabled on supported displays

• AMD Catalyst 12.1 Preview driver enables users to create per application profiles to individually control 3D and CrossFireX settings for Direct3D applications
• Please be sure to select the "Restore Factory Defaults" option under the Catalyst Control Center Preferences menu before using the new application profiles feature – this ensures there are no compatibility issues between previous drivers and the new AMD Catalyst 12.1 Preview driver with regards to application profiles

• AMD Catalyst 12.1 Preview driver includes user interface enhancements to simply adjustment of video color and video quality controls

• This section provides information on resolved known issues in this release of the AMD Catalyst 12.1 software suite for Windows 7. These include:
• The in-game mouse cursor no longer randomly disappears while playing Alien vs Predator.
• Enemy Territory – Quake Ware will no longer experience intermittent crashes when in a 3 monitor Eyefinity configuration.
• Water texture is now rendered correctly in Enemy Territory – Quake Wars
• Dirt 2 does not exhibit stuttering when run in DirectX 9 mode.
• Playing Crysis 2 with in Crossfire mode no longer experiences random graphics corruption or game instability.
• Random corruption and screen flicker is no longer observed while playing Dragon Age 2 with Tri-Crossfire enabled.
• Lost Planet 2 no longer crashes after game launch when run in Crossfire mode.
• Lost Planet 2 and Tom Clancy HAWX2 no longer experience random game hangs/black screens when run at high in game settings.
• Water textures in World of Warcraft running in DirectX 9 mode no longer appear corrupted.
• The game "Rage" no longer experiences intermittent hangs when Crossfire is enabled.

• This section provides information on resolved known issues in this release of the AMD Catalyst 12.1 software suite for Windows Vista. These include:
• Ejecting the disc during Blu-Ray/DVD playback using WinDVD no longer causes the system to crash.
• 3D content playback using PowerDVD now correctly used hardware acceleration.
• Poor performance is no longer randomly experience when playing World of Warcraft, Metro 2033 and Starcraft II at high in-game settings.
• Medal of Honor now correctly displays all in game settings.

• Call of Duty 4 may experience corruption when run in DirectX 9 mode and the Edge Detect filter is enabled.
• Portal 2 may generate a black screen when launched in 3D stereo mode.
• The Morphological filter settings may be missing in the Vision Control Center.
• Civilization V may experience random game crashes.
• Forced Anti-Aliasing may not be available when playing Enemy Territory – Quake Wars.
• Call of Duty – Black Ops may experience a crash when run in Crossfire mode.
• Battlefield 3 may crash when run at ultra settings.
• Vsync may be disabled after task switching when playing Rage.
• Launching Rage with Crossfire enabled may cause the application to hang.
• Random flickering may be observed while playing Battlefield- Bad Company 2.
• Saints Row III may hang randomly during gameplay.
• Dragons Age 2 may experience random flickering when run in Tri Crossfire mode with Vsync enabled or when run in DirectX 9 mode.
• Call of Duty – Modern Warfare 3 may experience flickering when run in Tri Crossfire mode.

• Windows Aero options may be missing after installing the latest driver.

• The mouse cursor may get corrupted if the "enable pointer shadow" option is unchecked.