1] fedora 8 is old. I think they are up to 10 now
2] You need the ehci_hcd module for USB 2.0:
Try lsmod | grep ehci_hcd Any result?
3] Try booting to fedora, plug in your USB stick, then read the last 12 or so lines of /var/log/messages
How is your device being seen?
4] Welcome to LQ!