Try downloading the Kernel Tar File NVIDIA_nforce-1.0-0256.tar.gz from Nvidias homepage. You install this file by doing:
tar xfzv NVIDIA_nforce-1.0-0256.tar.gz
cd nforce2 (I think this is the name of the folder the file is extracted to...)
This final step you must be root to do:
I think this should do the trick.