ATITool is an overclocking utility designed for ATI video cards. Design target is to write a light-weight application for the enthusiast - so no questionable registry tweaks. No limits overclocking. Support for overclocking for NVIDIA cards. Finding maximum core and memory overclock by rendering into a Direct3D window and scanning the output for visual artifacts. Temperature monitoring and fan speed control (on supported cards) Removal of Catalyst overclocking lock for 9000/9200/9550/9600 series. Artifact scanning mode to test for stability. Loading a predefined clock profile on Application/Windows startup. Hotkeys that can be used any time to load clocks from a profile. 3D application detection (Direct3D 8, Direct3D 9, OpenGL) to overclock your video card only when required. Gamma control Download