I've removed and reinstalled the COM several times that doesn't seem to matter.  I added the interposer and still nothing.
I have 2 new Firestorms on the way that may work. 
-----Original Message-----
From: Nom1vk <vicnkyr@gmail.com>
To: gumstix-users <gumstix-users@lists.sourceforge.net>
Sent: Sat, May 31, 2014 4:50 pm
Subject: Re: [Gumstix-users] Can't get a key press to interupt boot

When this happened to me twice a long time ago, it was the 70-pin Overo
connector not sitting right.

Try removing and connecting the Overo from the Board. It is very strange
because you can see the boot messages but can't get a key press.

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