Actually, BeagleBoard.org operates outside of TI, so we are not doing it on
their behalf per se. But yes, there is only one official one and one
Chinese clone version from Element14.

Gerald


On Wed, May 13, 2015 at 11:19 AM, Joshua DeWeese <[email protected]>
wrote:

> Ok thanks for the info! I think what was confusing me is the fact that I
> assumed there were many manufactures of the board, since it is open. After
> more research I see that there is only one official manufacture on TI's
> behalf. All others are modified and therfore not truely beagle bones or
> they are illegitimate clones instead of true beagle bones.
>
> On Wednesday, May 13, 2015 at 11:31:25 AM UTC-4, Gerald wrote:
>>
>> Yes, it is possible to have duplicate serial numbers. I am not aware of
>>  any SW that runs ion the board that uses that information. Every processor
>> has a unique ID that is better suited for tracking different boards.
>>
>> Serial numbers are for manufacturing use and as it contains a
>> manufacturers information, that should be adequate, but then again it is
>> not 100% fool proof. If people are just making clones of the board and
>> selling it as a BeagleBone Black clone and being sold as the real thing,
>> then we will be able to detect that pretty quickly.
>>
>> Gerald
>>
>>
>> On Wed, May 13, 2015 at 10:02 AM, Joshua DeWeese <[email protected]>
>> wrote:
>>
>>> My apologies. I had an out-of-date SRM (A4) I have what I think is the
>>> newest SRM (C1), and I do see that it has the table of addresses/lengths
>>> that I was missing. I'm talking about the EEPROM onboard the BBB, not the
>>> cape's EEPROMs.
>>>
>>> I didn't expect that anyone is enforcing valid EEPROM's as it is an open
>>> design after all, but I just don't see any provision to avoid serial number
>>> duplicates for those who wish to do so. Am I still missing something? I
>>> don't see anywhere to encode the manufacturer's name in the EEPROM. Is
>>> there some other way for manufacturer's to co-operatively assign unique
>>> numbers?
>>>
>>>
>>> On Wednesday, May 13, 2015 at 9:59:54 AM UTC-4, Gerald wrote:
>>>>
>>>> What sort of EEPROM  layout are you looking for? The tables in the SRM
>>>> show the address and the data. Not sure what more you need.
>>>>
>>>> Yes, the serial numbers could be the same, but there is code in there
>>>> for manufacturers information. We are not in the business of policing what
>>>> people do with this design in their products. It is up to them to handle
>>>> that.
>>>>
>>>> Gerald
>>>>
>>>>
>>>> On Wed, May 13, 2015 at 8:53 AM, Joshua DeWeese <[email protected]>
>>>> wrote:
>>>>
>>>>> Looking at the BeagleBone's SRM, I see that the contents of the
>>>>> board's EEPROM are well defined (Board ID, Version, etc). The BeagleBone
>>>>> Black's SRM, doesn't say anything about the EEPROM's layout, but looking 
>>>>> at
>>>>> the contents of some of my boards, it seems to follow the same spec with a
>>>>> few changes. Is there a spec. for the BBB's EEPROM somewhere out there?
>>>>>
>>>>> I also see that the serial number programmed into the EEPROM is
>>>>> basically just the year, week, some constant ASCII characters and then an
>>>>> index that (I assume) resets to 0 at the beginning of each week. This 
>>>>> makes
>>>>> since if there was only one manufacture building the bones, but since it 
>>>>> is
>>>>> open source, there could be theoretically many people building them.
>>>>> Wouldn't this lead to many boards that have identical serial numbers?
>>>>>
>>>>> --
>>>>> For more options, visit http://beagleboard.org/discuss
>>>>> ---
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>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Gerald
>>>>
>>>> [email protected]
>>>> http://beagleboard.org/
>>>> http://circuitco.com/support/
>>>>
>>>  --
>>> For more options, visit http://beagleboard.org/discuss
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>>
>>
>>
>> --
>> Gerald
>>
>> [email protected]
>> http://beagleboard.org/
>> http://circuitco.com/support/
>>
>  --
> For more options, visit http://beagleboard.org/discuss
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-- 
Gerald

[email protected]
http://beagleboard.org/
http://circuitco.com/support/

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