参考：源文档 <https://help.ubuntu.com/community/WifiDocs/Driver/bcm43xx>
安装b43
在光盘上：
cd /cdrom/pool/main/b/b43-fwcutter/
sudo dpkg -i b43-fwcutter*
下载驱动：
b43legacy - http://downloads.openwrt.org/sources/wl_apsta-3.130.20.0.o
b43 (10.04 Lucid Lynx) - http://mirror2.openwrt.org/sources/broadcom-wl-4.150.10.5.tar.bz2
b43 (12.04 Precise Pangolin) - http://mirror2.openwrt.org/sources/broadcom-wl-5.10.56.27.3_mipsel.tar.bz2
- b43legacy
sudo b43-fwcutter -w /lib/firmware wl_apsta-3.130.20.0.o
- b43 (10.04 Lucid Lynx)
tar xfvj broadcom-wl-4.150.10.5.tar.bz2
sudo b43-fwcutter -w /lib/firmware broadcom-wl-4.150.10.5/driver/wl_apsta_mimo.o
- b43 (12.04 Precise Pangolin)
tar xfvj broadcom-wl-5.10.56.27.3_mipsel.tar.bz2
sudo b43-fwcutter -w /lib/firmware broadcom-wl-5.10.56.27.3/driver/wl_apsta/wl_prebuilt.o
重新启动即可
来源：oschina
链接：https://my.oschina.net/u/995648/blog/126546