[ubuntu] tg3.ko module does not load on boot

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http://ubuntuforums.org – Hi, I am installing Ubuntu 10.04 on a dell R420 and I need to load tg3.ko module on boot for the network card to function. I installed it to the kernel "insmod tg3.ko" and added the module in /etc/modules, but the driver fails to load on boot. I checked modprobe's blacklist and the driver is not included in the list. Any help is highly appreciated. (Hardware)