Belkin F5D6051 USB Wireless Help

Have picked up one of these Belkin USB key form factor Wireless
802.11b devices. Reading around, it seems like one of the similar
devices uses an Atmel radio. However, trying the At76c503 Atmel driver
hasn't worked.

So I then tried using the NDISwrapper tool that comes with Knoppix
when you install it to HD (using the 2.4.27 kernel), but it doesn't
seem to be able to run the driver either.

Anyone know what I'mm missing, and how to fix it?

Thanks,
Ewan