Norwood Radeon 9250 PCI 256MB - Vista Drivers

> Hi There,
>
> Yesterday, I succesfully installed Norwood Radeon 9250 PCI 256MB Graphics
> adapter in my system with Windows XP. I also have Vista installed on same
> system (Multiple OS).
>
> I downloaded new drivers from ATI and installed it in XP (the Drivers that
> came with CD doesn't work, getting err msg). Now it is working fine in XP.
>
> I tried to install same drivers in Vista, but I am getting an error message.
>
> Can anyone suggest me where can I download the Drivers for Vista for Radeon
> 9250?
>
> I am unable to find one in ATI.
>
> Thanks in Advance
> Kode.