AMD has released a Catalyst 11.5a Hotfix driver
AMD Catalyst Driver 11.5a Hotfix Feature:AMD Catalyst 11.5a Hotfix driver
Includes performance optimizations and resolves various quality issues for the upcoming release of Brink
Resolves transcoding video lagging issues seen when converting multiple H.264 clips to MPEG2 Blu-ray video
Resolves the intermittent mouse cursor lag issue seen by some users
Resolves intermittent flickering issues seen in the following applications in a system using an AMD Radeon HD 6600 series graphics card with DDR3 memory and running in DirectX 9 mode:
Civilization 5
Dead Rising 2
Fallout 3
Mafia 2
NBA 2010
ShenGuiChuanQi
Starcraft 2
Warcraft III
World of Warcraft