Atheros AR242x 802.11abg Wireless in linux

After reading all the pages on Thinkwiki and number of others how to install Madwifi driver for Atheros AR242x 802.11abg Wireless card on our Lenovo Thinkpad X61 and trying even ndiswrapper I finally stumbled upon the solution. Apparently this particular card has an unsupported chipset. But it can be made to work by following these steps:

Go to a directory where you keep sources of packages (e.g. ~/src)

$ cd ~/src
$ svn co
$ cd madwifi-hal-
$ cd scripts/
$ sudo ./madwifi-unload
$ sudo ./ $(uname -r)
$ cd ..
$ make
$ sudo make install
$ modprobe ath_pci

You might be able to see the wireless interface at this moment:

$ ifconfig -a


$ iwconfig

It is also important to blacklist ath5k module:

$ sudo echo "blacklist ath5k" >> /etc/modprobe.d/blacklist

If not you need to reboot. That worked for me.

For details see:
Hardware Support: AR5007* (AR2425 chips)
MadWifi ‚First Time User‘ HOWTO

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