LAN should be the Attansic L1 (Gigabit), and the audio from Realtek (ALC883 HD). However, Attansic has since been bought up by Atheros, so any new drivers you see will be with the Atheros branding. If the Attansic driver isn't installing then it could be that you need the Atheros version of the driver. If you check out Asus' download links for the LAN driver (quick link on
THIS page, left side) scroll past the first listings that say Attansic (old drivers from 2006), and you should see the listings change to Atheros branding (newest drivers - 2008). Plus if you keep scrolling down even further you will see updated Attansic drivers (as of 2007) just after the Atheros ones, so if the 2006 versions of the Attansic drivers don't install be sure to try those.