Recently I had a chance to install Ubuntu 9.04 in an ASUS EEE PC for a friend of mine. Everything was working smoothly except wireless which was  Atheros Communications Inc. AR242x 802.11abg Wireless PCI Express Adapter (rev 01). Eventhough available drivers were listed on Hardware Driver, it was already in active mode and still not working. Finally i got it working. Here is what i did.
 read more »