[Gta04-owner] Is it safe to play with NAND without AUX button?

Dr. H. Nikolaus Schaller hns at goldelico.com
Sun Jan 29 15:19:12 CET 2012


Radek,
the two pads near the edge of the PCB are GND. The other both are connected and the signal input (pull-up to 1.8V).
Nikolaus

PS: picasa link does not work

Am 29.01.2012 um 13:14 schrieb Radek Polak:

> On Sunday 29 January 2012 10:55:38 Dr. H. Nikolaus Schaller wrote:
> 
>> Hi Radek,
>> brief answer.
>> 
>> replacement buttons @ DigiKey: P10850SCT-ND
>> 
>> boot order is same as BeagleBoard:
>> http://elinux.org/BeagleBoard#User_button
>> 
>> AUX button is important if NAND contains X-Loader image with valid checksum
>> but is broken (in source code).
> 
> Thanks for reply, i have one more question. Can i use piece of wire (without 
> soldering) instead of the button? Here [1] is picture how it looks now. The 
> contacts look quite big. Which of the 4 contacts should i connect to emulate 
> AUX press? I can try in linux that it works first.
> 
>   /
>  /  3 4
> /  1 2
> 
> 
> Btw my goal is to have always working system in NAND so that i can mount SD 
> card and test new distros without having to always remove back cover, SIM and 
> SD card.
> 
> Regards
> 
> Radek
> 
> 
> [1] 
> https://picasaweb.google.com/114961040002008630266/GTA04WithoutAUX#5703008694724482690
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