> So far, I've tried it with the orinoco_cs, hostap_cs and prism2_cs
> drivers (all of which claim to support it) but with no success.
> 
> It may just be a problem with my particular card, or I may be building the
> drivers/kernel incorrectly.
> 
Just a thought, I had a problem like this due to the card's ids being used by another card that didn't bind to the module I was testing. 

Nick