ATI recently updated its Catalyst driver package, and now the company has released a hotfix to address problems gamers might have been having in Far Cry 2, Stalker Clear Sky, and Brothers in Arms: Hell's Highway. Specific fixes include:
Performance boost in Far Cry 2 with DX9 and CrossFire
Performance boost in Far Cry 2 with DX10 on both single-card and CrossFire setups
Performance boost in Stalker Clear Sky with DX10 and DX10.1 on both single-card and CrossFire setups when running "higher resolutions"
Addresses a corrpution issue in Brothers in Arms: Hell's Highway on the 'Black Friday' level
The hotfix applies to both 32-bit and 64-bit versions of Vista and XP starting with ATI's Radeon X1600 series and moving on up to the Radeon HD 4800 graphics cards.