Re: More info on port 80 symptoms on MCP51 machine.

David P. Reed
2007-12-16T00:47:25Z

Allen Martin wrote:
> Nothing inside the chipset should be decoding port 80 writes. It's
> possible this board has a port 80 decoder wired onto the board that's
> misbehaving. I've seen other laptop boards with port 80 decoders
> wired onto the board, even if the 7 segment display is only populated
> on debug builds.
>
>
This is very helpful. So the next question is there something on the
laptop mainboard.

Any idea how to look for such a thing? I am not averse to taking the
laptop apart to look at the mainboard.