[openSUSE 11.04]having problems with my wifi

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http://linuxfloat.org – I saw someone talking about "MODULES_LOADED_ON_BOOT" earler today. I have been having problems with my wifi settings and someone else asked aquestion about whether there was a way that they didn't have to manually start the wifi device and they told them to make changes there. How do I know what I should enter her for my wifi device? (HowTos)