example configuration with static ip:
########################################## # AtherosG AR5212 802.11abg NIC (rev 01) # ########################################## auto ath0 iface ath0 inet static address 192.168.1.112 netmask 255.255.255.0 network 192.168.1.0 broadcast 192.168.1.255 gateway 192.168.1.1
if done, bring up your network device
# /etc/init.d/networking restart
or
# ifconfig ath up