I have a Dimension 4700 system that I'm trying to run Windows Small Business Server 2008 on. I've upgraded the memory, hard drive and processor to meet the requirements. But now I find I have several drivers that are not compatible with the SBS operating system. The immediate problem is the ethernet controller, which is preventing me from getting the system online. Is it possible to get a compatible driver, or is this another piece of hardware that needs to be upgraded?