cant find serial bios dump 820-2850

[Dozer]

hi i replaced the mainboard for a client and i want to enter him the same serial in the bios file.

in the 2011 machines its easy to find just looking for "ssn"

in the 2010 device i cant find it, is it coded?

 

[Dozer]

File: https://drive.google.com/file/d/1V8yLO-19G3wXIXjo8sIaIJ2FxcM0sEni/view?usp=sharing

this is the original bios file and in the pic the original serial and mlb

i dont find the sn in the bios file. i want to replace it with another one

 

[piernov]

Dump is incorrect, only 128kiB, probably selected wrong chip in programmer software.

 

[2informaticos]

Supposedlly, your programmer didn't recognize the SPI chip correctly.
It is 8MB (64Mb) in size.
Clean its pins and try to read it again.

 

[Dozer]

thanks thats it, found now everything.