Quote Originally Posted by snnoopypw View Post
WinXP SP2. I'm not trying to enable anything. That should be there.
HDD works in AHCI mode, WinXP installation went fine (with F6 at install), everything works fine, but still there's that unknown device. wtf?
Strange ! And it does not show up in Device Manager. I guess you right clicked it to see anything extends.

http://www.intel.com/design/chipsets/industry/lpc.htm