Hi eveybody,
Recently I have received a beagleboard-XM.
I experienced exactly the same problem.
it was running without problem. once I wanted to insert audio jack, I 
touched SD card, then I tried to restart the board
then it never boot again!!
Same signs, D5 remains green, D13 blinkd red when I plug the power supply. 
D14 just turn on (Green) and then off.

Have any of you found a solution?
Thanks in advance

On Friday, February 25, 2011 at 6:11:13 PM UTC+1, Jacek Radzikowski wrote:
>
> Recent versions of xm don't have flash memory on board. Even the early
> boards that shipped with flash can not boot from it. The junk you see
> on the terminal indicates that your board and console work properly
> and the board tries to boot from the serial port.
> The only reasonable way to boot your board is from the SD card. If the
> board doesn't boot with the card that shipped with it, maybe it
> doesn't make contact with the socket. Try bend the contacts *very
> gently* and see if it helps. If the board still doesn't boot, it could
> be that the card is defective. Download the validation image and write
> it to another card.
>
> regards,
> j.
>
>
> On Thu, Feb 24, 2011 at 13:14, BRebey <[email protected] <javascript:>> 
> wrote:
> > I have an xM board, that won't boot;  it won't  even boot from  memory
> > without the SD card inserted.  I see no Video display whatsoever from
> > the video port.
> >
> > I hooked   up a terminal to the RS-232 port, and all I see  when I
> > power up is maybe 30  characters or so of gibberish.   The terminal is
> > set to 115200-8-N-1 as instructed.    I've  verified proper operation
> > of  the terminal by connecting it to another terminal with matching
> > settings, and I  can type in either window and see the characters in
> > the other.
> >
> > When I connect the terminal to the xM, I am NOT USING  A NULL MODEM
> > adapter.    This  seems  "wrong", but it's the only way  I appear to
> > be getting any characters at all (which are gibberish).  When I
> > connect to the board WITH a null modem adapter, the terminal receives
> > no characters whatsoever.
> >
> > When I boot  without the SD card inserted, shouldn't the xM  boot  to
> > a  default O/S?  I'm baffled  by the fact  that I not only get
> > gibberish characters at  the terminal, but even more so by the fact
> > that I only see a HANDFUL of the bad  characters.   If I had
> > communication difficulty,  I would think that I should at the very
> > least see LOTS of garbled  characters as  the O/S boots.     Instead,
> > I only  see handful  of characters  right away, and then nothing.
> >
> > What am I doing wrong?
> >
>
>
> -- 
> Given a choice between two theories, take the one which is funnier
>
>

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