On Sunday, November 16, 2014 5:39:48 PM UTC-5, David Hirst wrote:
>
>
>
> On Sunday, November 16, 2014 1:45:59 PM UTC-5, William Pretty Security 
> wrote:
>>
>> As far as I know, it shouldn’t do that.
>>
>> The USB should provide power if the AC (+5v) is removed.
>>
>>  
>>
>> What else is connected to the BBB ?
>>
>
> I have a cape with a lithium battery, a serial port talking to a wireless 
> gateway which is powered from the AC input also and an ethernet cable to 
> the BBB nothing else, the battery is connected to the charging circuit of 
> the PMIC.
> I have two BBB which both do the same
>
>>  
>>
> I just tried the same thing without the cape and the same thing happens so 
all that is connected to the BBB is AC, USB and ethernet.  uname -a gives 
"Linux beaglebone 3.8.13 #1 SMP Wed Sep 4 09:09:32 CEST 2013 armv7l 
GNU/Linux"

>  
>>
>>  
>>
>> "No one could make a greater mistake than he who did nothing because he 
>> could do only a little."
>>
>> "All that is necessary for the triumph of evil is that good men do 
>> nothing" Edmond Burke *(1729 - 1797)*
>>
>>
>> http://www.packtpub.com/building-a-home-security-system-with-beaglebone/book
>>
>>  
>>
>> *From:* [email protected] [mailto:[email protected]] *On 
>> Behalf Of *David Hirst
>> *Sent:* Sunday, November 16, 2014 11:27 AM
>> *To:* [email protected]
>> *Subject:* [beagleboard] BeagleBone Black powers down when AC adapter is 
>> removed while the USB is connected.
>>
>>  
>>
>> I am trying to manage power myself including battery backup, however if I 
>> have USB power and AC adapter power whenever I disconnect the AC power, the 
>> system shuts down shortly after. I would like to manage the shutdown 
>> myself. 
>> Can anyone tell me how to disable the default control
>>
>> Thanks
>>
>> -- 
>> For more options, visit http://beagleboard.org/discuss
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>>
>> No virus found in this message.
>> Checked by AVG - www.avg.com
>> Version: 2015.0.5577 / Virus Database: 4213/8581 - Release Date: 11/16/14
>> ------------------------------
>>
>> No virus found in this message.
>> Checked by AVG - www.avg.com
>> Version: 2015.0.5577 / Virus Database: 4213/8571 - Release Date: 11/14/14
>>
>

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