Problem solved! Thanx! For those with similar Problems: Perhaps you need to flash your BIOS! For my ASROCK-mainboards I found a new version at http://www.asrock.com/support/download/dl_k7s8x.htm#bios Now everything works pretty well. Have a nice Whitsun, Paulina __________________________________ Do you Yahoo!? Friends. Fun. Try the all-new Yahoo! Messenger. http://messenger.yahoo.com/