Ben NanoNote booting

Steve Mosher steve at
Mon Sep 14 18:09:47 EDT 2009

 Michael showed me his little trick. Its very cool.

On Sun, Sep 13, 2009 at 1:29 PM, Michael Shiloh <michaelshiloh1010 at
> wrote:

> Easiest way I found to short those pads together is with a small piece of
> carbonized rubber, such as is found in almost all computer keyboards and
> other consumer electronic pushbuttons. After taking the keyboard apart I cut
> out one of the small the rubberized carbon regions, and use that to make the
> connection. Very reliable and tends to stick in place. You can even wedge it
> under the battery for a semi-permanent connection.
> Bas Wijnen wrote:
>> Hi,
>> Last week, I received my Ben prototype (thanks Mirko!).  Now I want to
>> make it boot Iris.  Preferably I don't want to install it on an SD card.
>> That should be possible, right?  Under the battery are two pads which
>> say that the device uses "usb boot" when they are closed.  I'll probably
>> solder them closed.  However, my first attempt to close them with a
>> screwdriver while powering up didn't make anything special happen.
>> Also, my system logs don't show anything about new devices being plugged
>> in.
>> The wiki says something about a "usbboot" utility which is part of the
>> openwrt tree(?)  I'll probably be adjusting it so it will boot Iris
>> instead of Linux.
>> Summarizing, what I would prefer is the easiest possible way to boot a
>> new system from my main computer on the Ben.  Best would be if it can be
>> triggered by a command on the main computer.  Also good would be to
>> power-cycle the Ben.  Not so good would be if the cable needs to be
>> replugged.  Still worse would be to write every image to an SD card
>> before it can be booted.
>> I have no problem at all if the USB cable needs to be connected
>> continuously.  Eventually that isn't good of course, but now I'm only
>> developing.
>> Thanks,
>> Bas
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