jrodga2k5 said:rivatuner doesnt work with them for overclocking so ATi Tool is a must
From Unwinder - Rivatuner author
You may force the tool to recognize XP 100.xx driver as 9x.xx one (e.g. 9792) to get it working. That can be done via the PowerUser tab by setting ForceDriverVersion key to desired version (e.g. 9792 decimal or 2640 hexadecimal).
It won't display the driver version, but it still functions as normal, allowing OCing and fan adjustment as well as the usual D3D and oGL tweaks.
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