The power bank is rated for 5 V, 1 amp.

I am going to check with a scope tomorrow..

thanks
a

On Thursday, March 13, 2014 8:33:42 PM UTC+5:30, Gerald wrote:
>
> Yes it does sound vague. I would hook a scope to the power and see what it 
> does in the reset scenario. What is your current capacity of your power 
> source?
>
> If the power pin is held down too long, it will result in a power cycle 
> and not a shutdown.
>
> Gerald
>
>
> On Thu, Mar 13, 2014 at 9:57 AM, <[email protected] <javascript:>>wrote:
>
>> Hi,
>>
>> I have noticed that the beaglebone black starts up after a shutdown.
>>
>> I have a C++ program running in the bbb, the bbb is backed by an external 
>> +5V battery pack. When the C++ program issues the following command to 
>> start the shutdown procedure of the bbb.
>>
>> system("shutdown -h now");
>>>
>>> exit(0);
>>>
>>>
>> This does shutdown the bbb completely sometimes, most times the bbb 
>> starts up again, the power led turns off but then after a second or two 
>> lights up again and then bbb starts up all over again (the output voltage 
>> from the power bank does not switch OFF, it remains ON for some time).
>>
>> In my previous bbb systems I have not faced this problem.
>>
>> It is my belief that the output voltage from the power bank has a sudden 
>> dip, this causes the bbb to detect a new power cycle.
>>
>> I am not sure though if I am correct...
>>
>> Could anyone enlighten me on this problem ???
>>
>> I am sorry if the above problem sounds vague...
>>
>> thanks
>> a
>>
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>

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