Knoppix 5.0.1 live CD got 802.11g ?

Im running a Knoppix 5.0.1 live CD in the laptopmy laptop windows xp can't boot up because xp got something wrong with it. I tried to clean nstall xp but it won't let me to do it because i havennt got no enough room
I have to make some space on hd I GOT [40gig]

I can't boot up and install xp and recovery cd because NO SPACE.

my question is . can a Knoppix 5.0.1 live CD got 802.11 ? can anyone tell me how to do it. I got wireless router


MY accomplish?
I want to save all documents and music files. i want to recover within my home network.

thank you
carlo