Use your Live Knoppix dvd and boot it into linux.

If you wan to use the XP boot loader (not perfered), you will need a hdd FAT32 partition , 2 dvd/cd drives, or able to access the net . Or some other way once you use Linux to make the BOOTSEC.lnx file for you to get the file into the xp's root directory (booted into XP).
At the web site drop below the lilo editing to- useing DD command.