If you need driver for your network card under Ubuntu 10.04, follow instructions :
- sudo umount /dev/sr0
- sudo mount /dev/sr0 /cdrom
- sudo apt-get install build-essentials (that should be ok from your CD)
- download driver source here : http://www.broadcom.com/support/ethernet_nic/netlink.php
- copy archive and untar it
- go into src directory
- sudo make
- sudo make install
- reboot
- enjoy !