Futuremark has released patches for all their major applications, improving hardware detection. From the site:
The June 2009 updates are available for 3DMark03, 3DMark05, 3DMark06, 3DMark Vantage, PCMark05 and PCMark Vantage. These patches update the system information detection component to the latest version for each of these benchmark products. This fixes numerous issues related to hardware detection in the benchmarks.The updates are available now as patches from the mirrors listed below and soon as full installer packages from mirror sites.Advanced and Professional Users can also soon download the updated full install packages from the same download page (credentials supplied in the receipt email) they originally used to download the application.NOTE: Benchmark scores are NOT affected by this update. All scores are comparable with previous results. Benchmark version numbers will remain the same.
You can download the patches from here.