ATI Catalyst 8.3 WHQL Released!

The Catalyst™ software suite 8.3 contains the following:
- Radeon™ display driver 8.471
- Multimedia Center™ 9.16 (Windows XP only)
- HydraVision™ (Windows XP only)
- HydraVision™ Basic Edition (Windows XP only)
- Remote Wonder 3.04 (Windows XP only)
- WDM Driver Install Bundle
- Southbridge/IXP Driver
- Catalyst™ Control Center Version 8.3

CrossFireX™ (Quad) Support 3 or 4 GPUs in CrossFireX™ Mode
This release of Catalyst™ introduces CrossFireX™ Quad support. Users with any combination of a ATI Radeon™ HD 3870, ATI Radeon™ HD 3850, and ATI Radeon™ HD 3870 X2 graphics accelerators running with 3 or 4 GPUs will be able to run in CrossFireX™ Quad mode (when used in a CrossFireX™ compatible PC). CrossFireX™ Quad will deliver significant performance improvements in a number of applications. Users can expect to see further DirectX 10 QUAD CrossFireX™ performance improvements in future Catalyst™ releases.
Users are now able to run in CrossFireX™ (Quad) mode while running in extended desktop mode on the Windows Vista desktop

Download : ATI Catalyst 8.3 WHQL Release Notes