UbuntuHelp:WifiDocs/Driver/bcm43xx
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Broadcom wireless chipset
Broadcom manufactures a chipset family called the Broadcom 43xx which is used in a lot of wireless products, including the Apple Airport Extreme, some Linksys products, and many HP, Compaq, Dell and Acer notebooks. A complete listing of other cards which contain this chipset can be found here.
New b43 and b43-legacy Drivers
The current (Spring 2008, kernel 2.6.24) wireless-2.6 branch of the linux kernel provides two new unified wireless drivers, called WifiDocs/Driver/b43 and b43-legacy. These drivers replace the old bcm43xx. The reason there are two is that b43 works with v4 broadcom firmware and b43-legacy works with the v3 firmware. New b43 driver still doesn't work without proprietary firmware, which isn't included in Ubuntu and must be downloaded separately, using b43-fwcutter package (from Ubuntu universe) or simply by installing b43-firmware package from http://ubuntu.cafuego.net (from Hardy distribution). New b43 driver doesn't work with old bcm43xx firmware.
How To find out if you're using Broadcom 43xx
In a terminal, type `lspci `, which lists the PCI devices in your system. The output might include something like
0000:02:02.0 Network controller: Broadcom Corporation BCM4306 802.11b/g Wireless LAN Controller (rev 03)
in which case you've got a Broadcom 4306. You can find out a bit more information about the driver by typing `lspci -n`, which in my case includes the line
0000:02:02.0 0280: 14e4:4320 (rev 03)
Please pick the appropriate document to proceed. If you use
- Ubuntu Hardy 8.04 LTS , WifiDocs/Driver/bcm43xx/Hardy
- Ubuntu Gutsy 7.10, WifiDocs/Driver/bcm43xx/Gutsy
- Ubuntu Feisty 7.04, WifiDocs/Driver/bcm43xx/Feisty
- Ubuntu Dapper 6.06 LTS , WifiDocs/Driver/bcm43xx/Dapper
