Yes this is the change log of the board, ive the same Rev. so it's 
useless... IMHO

Il giorno venerdì 4 ottobre 2013 17:54:20 UTC+2, Gerald ha scritto:
>
> It is not different. Did you read the Wiki? 
>
> Revision A5C (Production Version)
>
> Production had some fallout of boards when running the HDMI tests in the 
> previous production run. Resistor values were tweaked to improve the test 
> results.
> No changes in features or operation of the board.
> 1) Changed R46,R47,R48 to a 0 ohm.
> 2) Changed R45 to a 22 Ohm.
> Revision A5B (Previous Production Version)
>
> 1) Updated the PCB to incorporate the modification that was being done on 
> Rev A5A. There is NO DIFFERENCE AT ALL in functionality between REV A5A and 
> REV A5B.
> 2) Made the LEDs dimmer for those that could not sleep due to the 
> brightness of the LEDs.
>  Revision A5A (Old Production Version)
>
> 1) Boards are built using the XAM3359AZCZ100 processor.
> 2) PCB Change...LCD noise issue was resolved by adding 47pf bypass caps on 
> some of the LCD signals.
> 3) PCB Change...Added access to four battery charger signals on the 
> TPS65217 (TS=Temperature Sense, BAT=Battery connection,BATT_SENSE=Battery 
> voltage pin, GND=Ground). Pins are not populated but the four signals are 
> in a 2x2 .1x.1 spacing.
> 4) PCB Change...Added a power button which allows for wake up, power down, 
> and sleep options. It also provides the ability to alert the processor 
> before powering down to provide an orderly shutdown. It is expected that SW 
> will be used in conjunction with the switch to control the various power 
> modes and transitions from one to the other. By holding the button down for 
> 8 seconds, it will force a power down of the board.
> 5) Added a 100K pull down resistor from J1 pin 1 to J1 pin 4 to fix the 
> unterminated serial port issue.
>
> Gerald
>
>
> On Fri, Oct 4, 2013 at 10:51 AM, <[email protected] <javascript:>> wrote:
>
>>
>>
>>> "bone20" Yuck... Why do people still use an image that hasn't seen any 
>>> updates since June 9th.. 
>>>
>>>
>>> Was June when i started working on this "beautiful" board, and now from 
>> i understood there isnt a way to make any in place upgrate, i cannot 
>> reflash and starting all again...
>>
>> Could you answer to my question, please? 
>>
>> --->>> Why the hardware is different? <<<---
>>
>> -- 
>> For more options, visit http://beagleboard.org/discuss
>> --- 
>> You received this message because you are subscribed to the Google Groups 
>> "BeagleBoard" group.
>> To unsubscribe from this group and stop receiving emails from it, send an 
>> email to [email protected] <javascript:>.
>> For more options, visit https://groups.google.com/groups/opt_out.
>>
>
>

-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
"BeagleBoard" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
For more options, visit https://groups.google.com/groups/opt_out.

Reply via email to