[Fedora-livecd-list] Pointers to live usb using super floppy format

[Bruno Wolff III]

I have some older computers that don't seem to be able to boot off of
liveusb devcies formatted like hard drives and am looking to see if they
will work with ones formatted as superfloppies (no partition table and
no MBR). Since the bios' setup options suggest that they will boot off of
some usb devices it seems likely this will work.
However I am having trouble finding clear instructions on how to turn
a live[c/dv]d image into a liveusb image that doesn't use a partioned device.
Can someone point me to some reasonable documentation on how to do this?