Non working beagle board?
ITF
I have had my beagle board for a few weeke and have tried a number of
things to access it but I wonder if it is not working. I cannot access
it or get the boot console to appear (I have tried both from Linux and
Windows from 3 different machines and non of them will connect).
I did recently discover that when it boots up the HDMI port displays
the Beagle logo for a short while then whites out all but the dogs
paws. No sound is outputted to the audio out, and I cannot get any
display from the console (I double checked the orientation of the
serial connection and the settings both in HyperTerminal under vista
and Minicom under linux).
Is there anything else I can try?
Cheers
Keith
Joker B
UART? Typically the red strand on the ribbon connector should be on
the side towards the SD slot.
Frans Meulenbroeks
As you get the logo the board itself seems functional.
Cable orientation could be wrong or you need a null modem cable (or if
you have a null modem cable in use you can try without).
You can also try the stuff at the revC validation page, and you can
try to make an image with Koen's generator
http://amethyst.openembedded.net/~koen/narcissus/
That one supports virtually all ethernet dongles, so you could see if
with a dongle it gets an IP address from your dhcp server (and if so
you should be able to ssh into the beagle.
In my opinion it is not too likely that your beagle is broken
ITF
Joker I did try reversing the orientation (I had it red stripe to the
SD slot but that did not help - no console output.
>
> - Show quoted text -
ITF
I was using a null modem cable I had in, but not being 100% sure it
was a null modem cable I went out and purchased another from Maplins.
That also has no effect.
I did use the image but how do you get it onto the SD card (from linux
or windows)?
Cheers
Keith
On May 10, 4:18 pm, Frans Meulenbroeks <fransmeulenbro...@gmail.com>
wrote:
> 2009/5/10 Joker B <kevin.bjo...@gmail.com>:
>
>
>
>
>
>
> > did you try reversing the orientation of the everex connector for the
> > UART? Typically the red strand on the ribbon connector should be on
> > the side towards the SD slot.
>
> > On May 10, 7:59 am, ITF <keith.dun...@nikad.net> wrote:
> >> Hi
>
> >> I have had my beagle board for a few weeke and have tried a number of
> >> things to access it but I wonder if it is not working. I cannot access
> >> it or get the boot console to appear (I have tried both from Linux and
> >> Windows from 3 different machines and non of them will connect).
>
> >> I did recently discover that when it boots up the HDMI port displays
> >> the Beagle logo for a short while then whites out all but the dogs
> >> paws. No sound is outputted to the audio out, and I cannot get any
> >> display from the console (I double checked the orientation of the
> >> serial connection and the settings both in HyperTerminal under vista
> >> and Minicom under linux).
>
> >> Is there anything else I can try?
>
> >> Cheers
> >> Keith
>
> As you get the logo the board itself seems functional.
> Cable orientation could be wrong or you need a null modem cable (or if
> you have a null modem cable in use you can try without).
> You can also try the stuff at the revC validation page, and you can
> with a dongle it gets an IP address from your dhcp server (and if so
> you should be able to ssh into the beagle.
>
Frans Meulenbroeks
>
> Hi Frans
>
> I was using a null modem cable I had in, but not being 100% sure it
> was a null modem cable I went out and purchased another from Maplins.
> That also has no effect.
>
> I did use the image but how do you get it onto the SD card (from linux
> or windows)?
Under linux, take an emtpy card then uncompress the img file and dd it
to the card
something like:
dd if=imagefile of=/dev/sdg bs=1M (i assumed sdg is your full card,
image file is the name of yoru uncompressed image).
after that mount the 2nd partition:
something like
mount /dev/sdg2 /mnt
and extract the tar file you got from the generator to /mnt
after doing so be sure to do the following:
umount /mnt
sync
and wait until sync returns and all write activity to the card is terminated.
Then put the card into your beagle. Booting hte first time will take a
long time (several minutes, depends also on hwat you have selected).
You'll see the angstrom logo on display.
Also when it is done you'll get a login screen.
Somewhere along the line your ethernet adaptor will also be enabled
(mine has a led that goes on) and at some point it will try to get an
ip address.
Feel free to come to #beagle on freenode if things are not clear.
BTW: have you tried your cable without null modem cable?
Also are you sure your cable is not broken?
If you are a little bit technical you can find the pinout of the
connector in the documentation and you can measure whether the pins on
the connector actually go to the right pins of the rs232 plug.
Good luck, FM
janek
You have to check your serial cable.
Unplug the serial cable from PC and Beagleboard.
There are only 3 wires needed to connect PC to Beagleboard.
Using multimeter (ohmeter) check if you have the following connected:
Pin 5 on PC side connected to pin 5 on Beagleboard
Pin 2 on PC side connected to pin 3 on Beagleboard
Pin 3 on PC side connected to pin 2 on Beagleboard
If you don't have a multimeter ask someone to do it for you as
otherwise you will spend time guessing.
Pins on Beagleboard RS232 header are numbered on board.
Pins on 9 way female DB9 connector are numbered to.
After checking the cable, set the Hyperterminal to 115,n,8,2 no
hardware flow control.
You should have it working now.
Jan
On May 11, 3:22 am, Frans Meulenbroeks <fransmeulenbro...@gmail.com>
wrote:
> 2009/5/10 ITF <keith.dun...@nikad.net>:
Joker B
is the recommendation of the various Beagle docs.
I use 115200 N81 without flow control on both Minicom (linux) &
Teraterm (windows), and it works well from either machine.
BTW, to the original poster -- the "white with just the beagle paws"
state of the display during boot seems to be normal. Mine does it,
anyway, and the BB has worked okay (though atm I'm having USB issues,
which seem like a software problem with Enlightenment, not the BB
hardware)
good luck,
kb
janek
115200,N,8,1 no flow control
Jan