On Tue, 2004-03-23 at 09:49, Frank wrote: > I have Intel's LPC Hardware Specification but it doesn't go in > detail from a software point of view. Do you know where I can > get a software specification... You have to find out the LPC superio chip docs. AFIAK, 550 an its own LPC embedded. Did you get the full doc from SiS ? Ollie