Downloads: ATI Tool 0.26 (Win 2000/XP/2003, +64bit)

ATITool is an overclocking utility designed for ATI video cards.


Main Features
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

Forum page: http://forums.techpowerup.com/forumdisplay.php?f=9

ATITool will only work on Windows 2000/XP/2003 (64 bit versions are supported).
Also available 0.27 beta version here

Changes in this version:
Full support for all ATI and NVIDIA cards. Only X1950 Pro overclocking is not supported.
To overclock ATI X1k cards, you do not need to disable the services in Windows
Fan settings can be saved to a profile
New logo added
Memory timings can be saved to a profile
Number of active vertex shaders/stream processors on NVIDIA added
Log file default maximum size is 2.5 MB
BIOS dump works on X1000 Series
Thermal monitoring defaults to on
Voltage control for several X1800 and X1900 cards
Control over Adaptive Anti-Aliasing
New settings tab "Driver Tweaks"
Current Draw monitoring for several ATI cards