UbuntuHelp:WifiDocs/Driver/bcm43xx
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- title WifiDocsDriverbcm43xx
<<Anchor(Top)>> This page aims at getting your Broadcom BCM43xx based wireless network card working. The proprietary drivers can be activated under the desktop menu System / Administration / Hardware Drivers. If you experience troubles activating follow the instructions on this page for your particular scenario.
目录
Broadcom BCM43xx Chipset (PCI)
Identifying Your Card/Driver
In a terminal the command `lspci` will display information about all PCI devices attached to your computer. The following is typical input/output from `lspci` indicating that Ubuntu has found a Broadcom wireless card/chipset and listed its model as BCM4322. To display only devices manufactured by Broadcom (including wifi cards) suffix the following to `lspci`:
~$ lspci -vvnn | grep 14e4
Note: The example output below indicates the model number to be BCM4322 (rev 01).
03:00.0 Network controller [0280]: Broadcom Corporation BCM4322 802.11a/b/g/n Wireless LAN Controller [14e4:432b] (rev 01)
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Installing b43/STA hybrid drivers
9.10 (Karmic Koala), 10.04 (Lucid Lynx)
Supported models, mostly found on Dell hardware, include: BCM4311, BCM4312, BCM4313, BCM4321, BCM4322, BCM43224, BCM43225
Internet Access
Step 1. Install the b43/STA hybrid drivers/firmware from the restricted repository using the Synaptic Package Manager and search for the `bcmwl-kernel-source` package and install or in a terminal use the aptitude or apt-get commands:
~$ sudo aptitude update ~$ sudo aptitude install bcmwl-kernel-source
Step 2. Under the desktop menu System > Administration > Hardware Drivers, the drivers can be activated for use. Note: A computer restart may be required before using the wifi card.
LiveCD/LiveUSB
For temporary use with the LiveCD and LiveUSB environments, simply use the Synaptic Package Manager to search for and install the bcmwl-kernel-source package. Refer to Step 1 and Step 2 of the instructions above. Step 3: Instead of a computer restart, in a terminal issue the following commands:
~$ sudo modprobe -r b43 ssb wl ~$ sudo modprobe wl
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No Internet Access
If you do not have any other means of internet access on your computer, you will have to install `bcmwl-kernel-source` package from the restricted folder under ../pool/restricted/b/bcmwl on the Ubuntu install media. This may be done in the following manner depending on the installation media used:
CDROM/DVD
Step 1. Install the `bcmwl-kernel-source` package using the Synaptic Package Manager. First select Add CD-ROM from the edit menu to enable the install media as a package repository, then click on Reload to refresh the available packages list, ignore any internet/download errors. Now search for the `bcmwl-kernel-source` package and install. Step 2: Under the desktop menu System > Administration > Hardware Drivers, the drivers can be activated for use. Note: A computer restart may be required before using the wifi card.
LiveCD/LiveUSB
For temporary use with the LiveCD and LiveUSB environments, simply use the Synaptic Package Manager to search for and install the bcmwl-kernel-source package. Refer to Step 1 and Step 2 of the CDROM/DVD instructions above. Step 3: Instead of a computer restart, in a terminal issue the following commands:
~$ sudo modprobe -r b43 ssb wl ~$ sudo modprobe wl
USB/Netbooks
Step 1. Navigate the install media and install the following packages in a terminal: ../pool/main/d/dkms
:/dkms/$ sudo dpkg -i dkms*
../pool/main/p/patch
:/patch/$ sudo dpkg -i patch*
../pool/main/f/fakeroot
:/fakeroot/$ sudo dpkg -i fakeroot*
../pool/restricted/b/bcmwl
:/bcmwl/$ sudo dpkg -i bcmwl-kernel-source*
Step 2. Under the desktop menu System > Administration > Hardware Drivers, the drivers can be activated for use. Note: A computer restart may be required before using the wifi card. [[UbuntuHelp:[Top|Back to top]]]
Installing BCM43xx drivers
8.04.x (Hardy Heron), 9.04 (Jaunty Jackalope), 9.10 (Karmic Koala), 10.04 (Lucid Lynx)
The Ubuntu kernel in versions 8.04.x (Hardy Heron) and higher do provide the b43 drivers, however due to copyright restrictions not the proprietary firmware which is required to run your card. See here for a list of known PCI devices and their available modes as well as supported/unsupported chipsets. The following instructions explain how to extract the required firmware.
Internet Access
If you have some other kind of internet access on your computer, you can download the firmware by simply installing the `b43-fwcutter` package which does the download and setup for you automatically.
To install `b43-fwcutter` issue the following command in a terminal and follow the prompts:
~$ sudo apt-get install b43-fwcutter
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No Internet Access
If you do not have any other means of internet access on your computer, you will have to install `b43-fwcutter` and setup manually (without the firmware automatically downloading and being set up). `b43-fwcutter` is located on the Ubuntu install cd under ../pool/main/b/b43-fwcutter/ or in the official repositories online. Double click on the package to install or in a terminal navigate to the folder containing the package and issue the following command:
:/b43-fwcutter/$ sudo dpkg -i b43-fwcutter*
Note: Do not select 'fetch and extract firmware'. Once installed in a terminal type the following to view the b43-fwcutter manual page for further instruction:
~$ man b43-fwcutter
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Unsupported cards
If you are unable to use the b43 kernel driver or the b43/STA hybrid driver, you will need to go for ndiswrapper - this will allow you to use Microsoft Windows drivers for your card. <!> You will need to blacklist the b43 kernel driver(s) <!> To do this edit and add the following two lines to /etc/modprobe.d/blacklist.conf:
blacklist b43 blacklist ssb
Note: Once blacklisted the b43 kernel drivers can not be used until these entires are removed. [[UbuntuHelp:[Top|Back to top]]]
See Also
- Broadcom b43/STA linux driver page.
- b43 Kernel driver wireless.kernel.org
- Installing Windows drivers with NdisWrapper
- Installing b43-fwcutter without a wired connection: Personal Blog
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