Boot KNOPPIX 3.6 from USB

Download KNOPPIX 3.6 CD iso file
https://drive.google.com/uc?export=download&id=0B5uVAJpvceJkb3JPR0Q0cjVjNVk

Format flash drive in FAT filesystem.
If the Windows OS do not support format flash drive to FAT then use usb_format.exe.
In Windows 7 run the usb_format.exe in "Run as administrator" mode.

Extract syslinux.exe from syslinux-3.11.zip. Do not take newer versions. Take version 3.11.
Go inside the archive. At the win32 you can see that syslinux.exe is having a good time. Try to invite it somewere in your computer for example on c:\.

Open command prompt in "Run as administrator" mode and type

c:\syslinux.exe e:

e: is drive letter for the flash drive.

Extract all content except isolinux.bin of KNOPPIX_V3.6-2004-08-16-EN.iso\\boot\\isolinux to USB root

Rename isolinux.cfg to syslinux.cfg.

Extract KNOPPIX folder to USB root

At the end the usb content should look like this

All done.

If you successfully boot the usb and there came some error then try to write at the boot

knoppix nodma

Related:
https://mirrors.edge.kernel.org/pub/linux/utils/boot/syslinux/
http://mirror.cs.utah.edu/pub/knoppix/