I don't know what operating system you are using, but here are the latest 'official' drivers for the 9800 Pro:
http://support.amd.com/us/gpudownloa...3&lang=English You can find the same drivers for other operating systems on their website.
Incidentally it's the same driver that supports the X1700 I have in my old laptop, which worked OK(ish) with Stranger's Wrath pre-patch, I've yet to try it patched