Yes, Knoppix can run at 640x480. Check out the "cheat codes" text file on the CD or online. There is a parameter you add to the command when booting Knoppix.

Dave_Bechtel, your method of imaging a floppy to a small partition on the hard drive DOES work. The only quirk is that you must be in Linux to apply the method you suggested. But if you cannot boot into any form of Linux in the first place, you can't really make use of your method.

-SUO