Shush, I think it's because the drivers aren't installed. 
 
EDIT: Oops Mike, I didn't see your post. 

That's what I am going to do.
EDIT2:
Damn, I have to open this thing up and find the model numbers and what not. I tell you, we bought this just at the wrong time. It has only PCI slots, has DDR1 RAM. Although those 
are my only complaints.