Simply add the following to your /etc/pcmcia/config file:
(In Slackware at least!)
card "Harmony 802.11b/LAN PC CARD"
manfid 0x0126, 0x8000
bind "orinoco_cs"
Replace the card description and manufacturer ID's with whatever you get from 'cardctl ident', from what I've seen these might vary slightly.
You may need to update the firmware to enable use of WEP. My card shipped with 0.7.6 (I think), and I was unable to connect to the network with WEP enabled.
I found a newer firmware on the SMC site (v0.8.0 I think) and flashed that on. WEP now works and the card is, so far, rock solid.
Not all the wireless extensions are available, such as getting a list of access points from the card, but I suspect that with a further firmware upgrade (I found v1.3.4 on the Zcomas site) that these would also be accessible.
I haven't tried this firmware version yet. Once I got the WEP going with v0.8.0 I stuck with it!
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