If you have a look on this bug as well, including the same driver.. I also didn't manage to get a IP through dhcp.... and it didn't even find the access point.. For some strange reason, some channels doesn't work undner Dapper... But thay work under windows...
https://launchpad.net/distros/ubuntu/+source/linux- source-2.6.15/+bug/30808 (I'm not saying that this is an identical bug, but there is some mysterious thing at the moment with this card/driver/ubuntu.. -- rt2500 wireless adapter unable to obtain IP address https://launchpad.net/bugs/49392 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
