Booting F8 from USB Attached Hard Drive

[Timothy Murphy]

Rick Bilonick wrote:

> Thanks. I have tried the live CD's/DVD's but I have a bcm4318 network
> card that can use either ndiswrapper or must have Version 4 firmware
> in /lib/firmware for the native driver to work. As far as I can tell,
> this precludes it from working with a live CD or DVD because I can't
> store the firmware in /lib/firmware.

Is that true?
When I booted F-8 off a USB stick
I _could_ in fact alter files, eg creating new users.
Admittedly when I re-booted these changes were lost.