David P. Reed wrote:

Still wondering:

what the heck is going on with port 80 on my laptop motherboard. Clearly it "does something". I will in my spare time continue investigating, though having a reliable system is GREAT.


Almost guaranteed to be some kind of debugging hack, probably implemented either in the SuperIO chip or in SMM (or both). When some sort of log buffer fills up, the system dies.

        -hpa
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