Min reqs are listed here http://www.cisco.com...Data_Sheet.html
If you are sure everything is as it should be contact your reseller or raise a TAC id you have smartnet
You are the man. I actually have a copy of that same document in the web page you sited. It was the same document that informed my decisioned.
Going through the doc you can see that it the card is support on 1841 but my won't work. I think the only option I have is to visit TAC.
You are so kind Mark. Thank you.
Source: ISSUES WITH 2-Port Fast Ethernet High-Speed WIC