[Quantian-general] Quantian0.7.9.2.iso, lilogrub HOWTO Can't find KNOPPIX filesystem

[jack byers]

trying to use Quantian0.7.9.2.iso   and the lilogrub HOWTO
iso not burned to dvd, not booting from any cdrom

system comes up with Welcome to KNOPPIX live cd

but then, in red :

Can't find KNOPPIX filesystem, sorry
Dropping you to a (very limited)  shell
press reset to quit
knoppix:


I am total newbie with debian, knoppix, quantian.
used rh8  for many years;
now my main os is fc5 2.6.17-1.2174_FC5

couldnt quite believe that it would be as easy as that howto claimed
I am probably missing some obvious additional required steps

what i did:  downloaded Quantian_0.7.9.2.iso
put it in an existing  ext3 partition (prev used for rh8)
 mounted on /rh8   when up in fc5

from fc5
root at bootp ~]# mount /dev/sdb5 /rh8
[root at bootp ~]# cd /rh8
[root at bootp rh8]# ls
boot  bootrh8  Quantian_0.7.9.2.iso
[root at bootp rh8]# cd boot
[root at bootp boot]# ls
linux24  linux26  migrt24.gz  migshm24  miniroots.tar.gz  minirt24.gz
minirt26.gz
[root at bootp boot]#

I thot that is all that was required, according to that howto
along with modifying the grub.conf on my fc5 systtem

in fc5 /boot/grub/grub.conf

default=0
timeout=5
splashimage=(hd0,0)/boot/grub/splash.xpm.gz
hiddenmenu
title Fedora Core (2.6.17-1.2174_FC5) sda1
        root (hd0,0)
        kernel /boot/vmlinuz-2.6.17-1.2174_FC5 ro root=LABEL=/ rhgb quiet
        initrd /boot/initrd-2.6.17-1.2174_FC5.img


title Quantian0.7.9.2 kernel 2.6 sdb5
        root (hd1,4)
   kernel /boot/linux26 ramdisk_size=100000 init=/etc/init lang=us
apm=power-off vga=791
 nomce quiet fromhd=/dev/null bootfrom=/dev/sdb5/*.iso config=scan home=scan
noprompt
   initrd /boot/minirt26.gz

any advice?
missing something obvious?
Jack
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