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

[David P. Reed]

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.
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