Ubuntu 11.10 and Broadcom Wireless
These commands setup my wireless on the old Gateway laptop:
First, don't use the STA driver offered in the proprietary drivers dialog.
Then:
sudo apt-get update
sudo apt-get install b43-fwcutter
sudo apt-get install firmware-b43-installer
Next:
sudo modprobe -r b43 ssb
sudo modprobe b43
Wireless should now be working.
To have it work on future boots:
sudo su
echo b43 >> /etc/modules
exit
Thanks to this post in the Ubuntu forums that set me straight:
http://ubuntuforums.org/showthread.php?t=1859668