Hi, I would like to know, how to tell hdparm to unregister ide1 (the secondary ide channel). I tried with version 4.5: hdparm -U 1 hdparm -U ide1 hdparm -U /proc/ide/ide1/channel but it doesn't work. It just prints the help screen, not doing anything else. Can someone please give me a hint? Thank, Pir --- Alles Kaufen und Verkaufen! eBay.at - der eigene Marktplatz für Österreich. http://www.austronaut.at/ebay.php