Probleme Wifi

Bonjour,

Je voudrais savoir comment activer mon Wifi sous Ubuntu version 8.10 , je n'y arrive pas , je ne trouve pas comment faire !!!! Voici ma config :

*-network
description: Ethernet interface
product: 191 Gigabit Ethernet Adapter
vendor: Silicon Integrated Systems [SiS]
physical id: 4
bus info: pci@0000:00:04.0
logical name: eth0
version: 02
serial: 00:1f:c6:30:b2:41
size: 100MB/s
capacity: 100MB/s
width: 32 bits
clock: 33MHz
capabilities: pm bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=sis190 driverversion=1.2 duplex=full ip=192.168.1.10 latency=0 link=yes module=sis190 multicast=yes port=MII speed=100MB/s
*-network UNCLAIMED
description: Ethernet controller
product: AR242x 802.11abg Wireless PCI Express Adapter
vendor: Atheros Communications Inc.
physical id: 0
bus info: pci@0000:02:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix cap_list
configuration: latency=0
*-network DISABLED
description: Ethernet interface
physical id: 1
logical name: pan0
serial: ca:b4:9b:e0:9b:12
capabilities: ethernet physical
configuration: broadcast=yes driver=bridge driverversion=2.3 firmware=N/A link=yes multicast=yes

Voila , Merci' !!