Secrets behind booting from a USB device....

What is the deal behind getting a USB key to boot?  I've been driving myself crazy for the last few days trying to get tomsrtbt to boot from a usb key and it just aint happenin.

There seems to be plenty of tools, moslty under the syslinux unbrella but I just cant get it to work on any of the 95843939385943048540938387 slazillion usb key drives ive accumulated over the last few years.

Anyway, please, someone...well an EXPERT on this please enlighten me...I am prepared for enlightenment
dtdionneAsked:
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herbusCommented:
If you're using packages/tools that are designed to setup the USB key to boot from, and if it's not working, the first question that comes to my mind is whether you're system actually supports booting from USB... do you have the option to boot from USB in the BIOS?  Have you seen it boot from USB before?
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