emac

So I finally got my first proper Mac, an old eMac G4. The only problem is I cant get Ethernet to work for the life of me. Because Apple support doesn't go as far back as Tiger, and hours of searching online hasn't led to a proper solution, I figure here, where people know an insane amount...

I recently bought a very cheap emac, updated its ram until 768mb wich some p4 spares and installed Leopard. It runs fine, and looks good (with some yellowed parts in the case) but I really don't know what to do with it, I mean, it can feed from another itunes library in the wifi and sounds...