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BIOS Thinkpad E14 FE4A0/FE5A0 NM-C421 REV:1.0

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FE4A0/FE5A0 NM-C421 REV:1.0
BIOS, Schematics NM-C421 REV1.0.pdf
boardview
NM-C421 BOT.pdf
NM-C421 TOP.pdf
ThinkPad E15 - NM-C421 REV 1.0 BoardView.tvw


Screen Shot 2021-05-25 at 11.04.31 AM.png
 

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NM-C421 REV1.0.pdf
7.4 MB · Views: 4,694
NM-C421 BOT.pdf
112 KB · Views: 1,831
NM-C421 TOP.pdf
67.9 KB · Views: 1,736
EC_ITE.bin.zip
91.4 KB · Views: 1,184
Click to expand...
Hello, I have programmed the EC file from here but it does not have any machine data in it, how can I write it, the old EC chip is gone as it burned so I put another one from a donor board.
 
ThienBui said:
file ec on top Available
Click to expand...
I know and I have used the one here on the first page but it does not have any machine data (which is just right) but I can't find any way to write the machine data to it (serial number, machine type etc), I have a file from a twin machine which works ok but if I try to change the data with a hex editor it comes with rfid serialization area error or something like that.
 
Laboratorio said:
I know and I have used the one here on the first page but it does not have any machine data (which is just right) but I can't find any way to write the machine data to it (serial number, machine type etc), I have a file from a twin machine which works ok but if I try to change the data with a hex editor it comes with rfid serialization area error or something like that.
Click to expand...
yes with lenovo when programming EC always leaves a DMI error.

try tool this


vinafix.com

Rewrite the SN / UUID after programming MEC for Lenovo

Rewrite the SN / UUID after programming MEC for Lenovo EC MEC1633, MEC1632, MEC1609, MEC16, MEC50 note: Many users ask how to crack the superuser password. This chip is 192KB of Flash plus 2KB of EEPROM (stores the SVP superuser password and UUID). Through the JTAG interface, the flash can be...
vinafix.com vinafix.com
 
ThienBui said:
yes with lenovo when programming EC always leaves a DMI error.

try tool this


vinafix.com

Rewrite the SN / UUID after programming MEC for Lenovo

Rewrite the SN / UUID after programming MEC for Lenovo EC MEC1633, MEC1632, MEC1609, MEC16, MEC50 note: Many users ask how to crack the superuser password. This chip is 192KB of Flash plus 2KB of EEPROM (stores the SVP superuser password and UUID). Through the JTAG interface, the flash can be...
vinafix.com vinafix.com
Click to expand...
No luck
 
Hello, I have found the solution to program the EC DMI data on newer lenovo thinkpads:

Go to this site and download the package and follow the instructions

github.com

GitHub - ASparkOfFire/lenovo-u1-tool: Lenovo Uone Tool for Updating machine's Serial and Model information in UEFI/BIOS.

Lenovo Uone Tool for Updating machine's Serial and Model information in UEFI/BIOS. - ASparkOfFire/lenovo-u1-tool
github.com github.com

With this tool you can program all newer lenovos, is a hacked version of the official lenovo tool.

I have test it on the E15 NM-C421 board
 
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