I had met same situation until i have changeconfiguration on my bios but after Deep analyze in system mechanik I surprise dagain with these ...ing massage my administrator advised me check out some thing like jumpers or somethn but I think that's just bowlshit so i will so gratefull about your comments and advices becuz my desktop pc after new 320Gb sata HDD installation was useless recently.
by the way I'm using 3.4Ghz dual core cpu on giga M.B at 2 Gb Ram and 2 Hdd's 200Gb and 320Gb with nvidia 1Gb graphic device (if it could be helpful!)
omid_d2000@live.ru