Sure. Instruction for your model are here:
http://www.portforward.com/routers.htm & look to 3rd row from left & vey near top & you'll find your model.
1st. Set up a static ip. 2. Forward a port. 3. Force ip within LW.
For computer 1. that can be done for port 6346. For computer 2 that can be done for port 6344 or example. Yes you can have separate port forwards. So different port setttings for each computer.
Direct Linksys instructions here:
http://linksys.custhelp.com/cgi-bin/...type=search_nl &
http://linksys.custhelp.com/cgi-bin/...p.php&p_tbl=13