"We could not fine any drives, click Load Driver....", when installing Windows 2008 server on poweredge r210 II

I want to test something on my old PowerEdge R210 II.   When I tried to reinstall Windows 2008 Server on this R210 II, I got a message, saying "We could not find any drives.   To get a storage driver, click Load Driver.   Which driver should I download, and where?  Thanks a lot.

 I had Windows 2003 Server on this machine before, it was a working machine, even though I did not use it in last two years.

Thanks a lot.

Bruce