Hi, I like to connect two computers together via crossover cable. Do i need to have two ethernet cards in one of the computers? My modem is Siemens SpeedStream 4200. When i first install the Modem i had the option of connecting to the internet via USB or Erthernet cable, i took the Ethernet way, so at the moment what is the best way to connect with this modem ? If i reinstal my internet config. to using USB can i connect the crossover cable that way, since the RJ-45 port on the back of the modem will be free. Any advice will be good, this is starting to realy confuse me, im going in circles, thank you.