Mas tam chip od realteku takze najprv by som skusil www.realtek.com.tw a tam
Communications Network ICs -> Network interface controllers -> 10/100M Fast ethernet -> PCI -> Software, a tam mas v sekcii pre DOS utilitu "Setup/diagnostic program (DOS program)", nabootuj z bootovacej diskety Win9x a skus tu utilitu, ma to "GUI", citaj co pise a daj vediet ci tam ide nastavit MAC.