Okay, would you list the DSL modem manufacturer and model (if that's allowed)? Do I understand that there are three ports: RJ11(phone), RJ45(Ethernet), and USB. The ultimate goal is to connect both computers simultaneously. Is this correct? Also, please open a command window in each computer and type the following: ping 127.0.0.1 this test can be done with or without a physical connection to the DSL modem; it will test the functionality of you network adapters (should be 0% loss).