I Installed EFI and used this version (<a href="http://forum.insanelymac.com/index.php?s=&showtopic=12933&view=findpost&p=54522 5">http://forum.insanelymac.com/index.php?s=&showtopic=12933&view=findpost&p=54522 5</a>) of forcedeth (forcedeth.kext not forcedeth-nock.kext) and it works like a charm!