I have several distros loaded on the two hard drives in my new AMD64 box. I've been able to boot each with the appropriate entries, except for Knoppix 64. Please advise of the correct GRUB entry to boot Knoppix. Here is my /grub/boot/menu.lst file:
title MEPIS at hda1, kernel 2.6.10
kernel (hd0,0)/boot/vmlinuz-2.6.10 root=/dev/hda1 nomce psmouse.proto=imps quiet splash=verbose vga=791
initrd (hd0,0)/boot/initrd.splash
title KANOTIX 64 at hda5, kernel 2.6.10-kanotix64-8
root (hd0,4)
kernel /boot/vmlinuz-2.6.10-kanotix64-8 root=/dev/hda5 ro lang=us apm=power-off nomce vga=0x317
initrd /boot/initrd.img-2.6.10-kanotix64-8
title UBUNTU 64 at hdb5, kernel 2.6.10-5-amd64-generic Default
root (hd1,4)
kernel /boot/vmlinuz root=/dev/hdb5 ro vga=791 console=tty0 quiet splash
initrd /boot/initrd.img
title KNOPPIX 64 at hdb6, kernel 2.4.21-209.smp
root (hd1,5)
kernel /boot/vmlinuz-2.4.21-209.smp root=/dev/hdb6 ro lang=us vga=791
initrd /boot/initrd-2.4.21-209.smp

Kingston 32GB 64GB 128GB 256GB USB 3.0 Flash Drive Thumb Memory Stick Pen lot
$285.90
TF/SD Card Adapter Camera Reader Android Type-c For iPhone17 Pro Max Plusm lot
$573.98
RAMAXEL Lenovo 32GB LPDDR5X CAMM2 7500MHz Laptop RAM | UNTESTED
$445.00
64GB SK Hynix HMAA8GL7MMR4N-UH T2 AA PC4-2400T LRDIMM Server Memory 1093
$299.99
USB 3.0 Flash Drive 32GB 64GB 128GB Memory Stick Thumb Stick Lot Pack
$826.09
Intel Optane NMA1XXD128GPS DDR4 2666 4Rx4 ECC 128GB Server Ram
$80.00
USB 3.0 Micro SD SDHC TF Card Reader Memory Adapter for PC Laptop Camera lot
$3.75
Sandisk 16GB 32GB 64GB 128GB Cruzer Blade Flash Drive Memory Stick USB Lot Pack
$88.90
USB 3.0 Micro SD SDHC TF Card Reader Memory Adapter for PC Laptop Camera lot
$3.49
128GB (8x16GB) DDR4 PC4-2133P-R ECC Server Memory RAM Upgrade HPE Z640
$516.26