change this line
go to a shell prompt type su, enter your root password, then type 'init 3' without the ' of course...
then run the install from the bash shell...
You need to read the README file for the driver, there are some minor xorg.conf changes that need to be made... also to launch x windows type 'startx' at the prompt...
Once you get X up and runnning properly change /etc/inittab back to id:5:initdefault: (if you want)