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crwdns2933797:0Walter Galancrwdnd2933797:0crwdne2933797:0

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-[* black] The I/O wall is the last thing hanging on to the Mac Mini's logic board.
+[* black] The I/O frame is held to the logic board by a few screws.
[* black] The two I/O bezel antennas are more visible in this picture. The long antenna wires are grounded periodically along their length, presumably for better signal transmission to the important part - the antennas themselves.