I am having connection problems with the ethernet side of the router. One, and only one, device will connect. I currently have a desktop computer, a Xbox360, and a Directv DVR connected to three of the ethernet ports. Only the desktop will connect. I have tried switching ports and connecting one device at a time. Still, only the desktop will connect. The desktop connects in any one of the 4 ports. The other devices will not. I've also tried other computers. This is a new problem, it all work until recently. The desktop computer is the only device that will connect to the router. All other devices, including the other computers, do not connect. I did get a connection with other devices after performing a hard reboot on the router (pushed the red button), but it only lasted approximately 15 minutes. At that time all connected devices (desktop, Xbox, DVR) were dropped and only the desktop was reconnected after a few minutes. Please note that everything was working until a few months ago. At that time the Linksys PSUS4 print server that I had connected started causing all other devices to be dropped. Disconnect the PSUS4 and all other devices reconnected. Damnedest thing I've ever seen. The firmware is 1.00.62 as delivered and never upgraded. Anyone have any thoughts?

With the Linksys PSUS4 hooked in: Does your other device get an IP? Can you ping the router/the print server/the outside?