Lets start at the beggining
Boot up your 2.6.0test11
Code:
tar -zxvf NVIDIA_nforce-1.0-0261.tar.gz
cd nforce/nvnet
patch -Np1 -i /home/fred/nvnet.2.5-1.diff
make
make install
you will need to add nvnet to you /etc/modules
If you have any more problems read
http://www.nforcershq.com/forum/viewtopic.php?t=24127