I should have posted my grub entry. And thanks for the help klaus2008 and kl522. This worked for me for those who wish to try this type of install:

title Knoppix 6.2 dvd ISO
root (hd0,2)
kernel (hd0,2)/knoppix/boot/isolinux/linux fromhd=/dev/sda3 knoppix_dir=knoppix/KNOPPIX ramdisk_size=100000 lang=us vt.default_utf8=0 apm=power-off vga=791 nomce quiet loglevel=0
initrd (hd0,2)/knoppix/boot/isolinux/minirt.gz
savedefault
boot