[flashrom] Sweating by programming SPIs

[jackjean]

Le 15/06/2015 23:08, Stefan Tauner a écrit : 

> On Mon, 15 Jun 2015 23:00:01 +0200
> jackjean <jackjean at vivaldi.net> wrote:
> 
>> Hello, and thank you for your appreciated support.
>> I confirm that pins 3 and 7 were free, according the advises from an ASUS laptops forum.
>> I than connected both pins 3 (HOLD) and 7 (WP) to the 3.3V.
>> Having also doubts on the Winbond SPI, I choosed to replace it by a Macronix.
>> First strange reaction is that flashrom recognises 3 possible different chips :
>> 
>> Than I choosed to add the "-c MX25L3205(A)" as option in the flashrom commands
>> I tried than to launch the writing command, but returns allways a fail, as you will read in attached log file.
>> […]
>> Erasing and writing flash chip... Trying erase function 0... 0x000000-0x00ffff:EFAILED at 0x00001000! Expected=0xff, Found=0x20, failed byte count from 0x00000000-0x0000ffff: 0x8c6a
>> ERASE FAILED!
>> Reading current flash chip contents...
> 
> Hello,
> 
> flashrom does not find 3 chips but a chip with three possible/matching
> definitions and it can not distinguish them so you have to tell it
> which one you have. You chose the wrong one and thus get an error for
> the first erase function. However, the other erase functions would
> (most probably) have worked. Either choose the right one or let
> flashrom finish. :)

> Second shot OK!

> The read + erase + write were successful. It is now running the verify... It smells good...

> Great !!!

> Tomorrow I will try a new Winbond...

> I have a "parallel" question : Do you know where I can find how to modify the GUID and MAC address of Laptop, and on which chip are these data stored ?

> The reason of this question is that I have a Laptop which has a corrupted MAC address, that does not allow to install properly the Ethernet driver...
 
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