===== at76_usb =====

at76_usb driver supports USB devices using Atmel at76c50x chipsets. Only 802.11b protocol is supported.  The driver has it's own 802.11 stack. 

See also [[en/users/Drivers/at76c50x-usb|at76c50x-usb]], the mac80211 port of this driver. 

 


===== Status =====

The driver is now in staging tree and was included in linux 2.6.28 release. The driver is now in maintenance mode and all development should happen with [[en/users/Drivers/at76c50x-usb|at76c50x-usb]]. 

Send all patches to Greg Kroah-Hartman <[[mailto:gregkh@suse.de|gregkh@suse.de]]> and CC Kalle Valo <[[mailto:kalle.valo@iki.fi|kalle.valo@iki.fi]]>. 


===== History =====

The original at76_usb git tree was here: 

[[http://git.80211libre.org/at76_usb.git/|http://git.80211libre.org/at76_usb.git/]] 

But it seems to be gone now. The current mac80211 port is in linux-testing and the history for the driver is here: 

git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-legacy.git at76 


===== Firmware =====

Some Atmel wireless cards require firmware to be loaded. The firmware can be downloaded from this site: 

[[http://www.thekelleys.org.uk/atmel/|http://www.thekelleys.org.uk/atmel/]] 


===== Supported chipsets =====
  * at76c503-i3861 
  * at76c503-i3863 
  * at76c503-rfmd 
  * at76c503-rfmd-acc 
  * at76c505-rfmd 
  * at76c505-rfmd2958 
  * at76c505a-rfmd2958 
  * at76c505amx-rfmd