Don't use the CD that came with the router, it's useless and not necessary by any means, it usually just confuses people more than anything.
So basically you have a laptop with an IEEE1394 (firewire) PCMCI card and that's it. You need to buy a wireless PCMCIA network card for your laptop, you can pick one up at any computer or office supply store. Put it in your laptop, run the wizard again and you should be good to go.