[isp-wireless] Conflict between SMC/ZCom high power card and certain APs?

[Brett Glass <isp-wireless@...>]

The darnedest thing happened to me a day or two ago. I have a high 
power ZCom WiFi card -- one of the 200mW jobs -- which has been 
rebranded by SMC. I believe that it's Prism 2.5-based. Brought it 
to a conference on the local university campus and attempted to 
connect to their local Wi-Fi. Not only did it fail to associate 
with the (open) AP, but it drove CPU usage on the laptop I was 
carrying (I had it booted into Windows 2000) to nearly 100% and 
pretty much crippled the system. Couldn't even use a utility like 
NetStumbler to scan for a different AP that might work better.

I then removed the SMC card and switched to a Cisco Aironet 350 
card. It associated with the AP perfectly.

Has anyone seen this phenomenon before?

--Brett Glass 





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