Do you have any peripherals that use USB to test it with?
By the way, if possible, you should use an ethernet card instead of USB, if not only to save you a USB port and possibly make things faster, but I've heard of problems with USB ethernet adapters. Found an article online that I think presents a good argument Here
By the way, if possible, you should use an ethernet card instead of USB, if not only to save you a USB port and possibly make things faster, but I've heard of problems with USB ethernet adapters. Found an article online that I think presents a good argument Here