B43 and b43legacy. B43 and b43legacy are drivers for the 802. 11b/g/n family of wireless chips that Broadcom produces. Note: Broadcom USB devices are handled by the brcmfmac driver. All other models use b43. This number is read by the driver ssb. And b43 and b43legacy in wireless-2.6 and 2.6.24 and later. Written by: Score: 10 votes: 16 Format: Article Install Broadcom BCM4312 802.11/bg Wireless LAN Problem: After installing Linux Mint 12 on my Compaq Presario CQ40-410AU (x64 bit) laptop, the wireless LAN Broadcom BCM4312 802.11/bg doesn't work out of the box. Solution: I found this site,, very helpful in solving this problem. B43 and b43legacy are drivers for the 802.11 B/G/N family of wireless chips that produces. The choice of which driver your card uses depends on the revision level of the 802.11 core. If your card is a BCM4306 Rev 2 or only has 802.11b capability, it uses b43legacy. All other models use b43. This number is read by the driver ssb, and the correct choice for your device is made at that point. The drivers are called bcm43xx in mainline kernels, and b43 and b43legacy in wireless-2.6 and 2.6.24 and later. Note: See also. Download the latest drivers for your Lenovo 3000 G400 to keep your Computer up-to-date. Download driver lenovo thinkcentre. Downnload Lenovo G400 laptop drivers or install DriverPack Solution software for driver update. Driver Installation: 1. Open the Terminal window (this is similar to M$ Windows command prompt) Note: You can access the Terminal application from Menu --> Accessories --> Terminal. Optionally, you can use the shortcut by pressing ALT+F2, type gnome-terminal then press the enter key to launch it. Execute the following command from Terminal window to find out whether your PCI device is supported by the b43 and b43legacy drivers. Terminal Command: lspci -vnn| grep 14e4 Result Sample: My Device 09:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY [ 14e4:4315] (rev 01) 3. Check the result and compare the PCI-ID (highlighted above) of your WLAN device with the posted on. Once you have confirmed that your WLAN device is supported, you may proceed to installing the driver by running the following command from Terminal window. Sudo apt-get install firmware-b43-installer Additional Note: In my case, this command raised the following error. 'An unsupported BCM4312 Low-Power (LP-PHY) device was found.' I was able to fix this by installing the appropriate LP-PHY driver. Sudo apt-get install firmware-b43-lpphy-installer Tags: BCM4312 802.11 WLAN Broadcom Created: 6 years ago. Last edited: 6 years ago. Reviewed: 6 years ago. Read 0 times. Wireless Driver CompaqComments 11 months ago Thank you very much indeed, you have no idea how much your publication helped me, I worked for Debian 9 Cinnamon, it had taken two days to try and until I found your solution works. Thank you very much infinitely thank you. 2 years ago Thanks a lot, guy! Your instructions helped me solve this problem. And I aint got any error msgs:) 3 years ago In Linux Mint 17 to install Broadcom wifi drivers OFFLINE: dont bother with mindless modprobes, just reinsert the install disk and browse to /pool/main/e/eglibc and click on: libc-dev-bin_2.19-0ubuntu6.3_amd64.deb and after that installs click on: libc6-dev_2.19-0ubuntu6.3_amd64.deb after that installs browse the disk to:/main/b/bcmwl and install bcmwl-kernel-source_6.30.223.141+bdcom-0ubuntu2_amd64.deb you should now have wifi.
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