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x16 replied to Lenovo L14 gen 2 unlock with svod4

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12-09-2024, 04:59 AM
Yes sorry it was 126, 127, 128 or 1

And thank you for the links.

General:

I normally unlock mec16xx chips with the SVOD4. I have little experience with Nuvoton. Am I perhaps doing something wrong? Do I have to solder a resistor? Because I can read the Nuvoton ID, but neither the content nor can I delete the chip.

EDIT:
It works now. The trick is, only connect a (better full charged) battery. Do not connect usb-c power.

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x16 replied to Lenovo L14 gen 2 unlock with svod4

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12-09-2024, 04:17 AM
Thank you, but i already read the both threads yesterday. And i tried bypassing method 4 hours. But didn't work. I tried shorting Pin 26, 27, 28 or 1 shorting to ground. I tried on backlight on at the moment when Logo apears. Nothing! If i short too long or at wrong timinig it freezes, but never got error like fan error or something.

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x16 started a topic Lenovo L14 gen 2 unlock with svod4

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12-09-2024, 03:15 AM
Lenovo L14 gen 2 unlock with svod4

Hi,

I have a problem with a Lenovo L14 gen 2 (intel) with Nuvoton npce68b.
I connected my svod4 with a 32pin cable to the keyboard connector. Ground is also connected and power for the mainboard. I can read the Nuvoton ID, but the dump is always empty. Does anyone have an idea?

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x16 replied to Lenovo Thinkpad T14 gen 1: Unlock MEC: in protect mode

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11-15-2024, 06:47 AM
Just for my understanding: I know normal erase, but where is mass erase to be found?

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x16 started a topic Lenovo Thinkpad T14 gen 1: Unlock MEC: in protect mode

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11-14-2024, 01:31 PM
Lenovo Thinkpad T14 gen 1: Unlock MEC: in protect mode

Hi,

i have Lenovo Thinkpad T14 gen 1 20S1 / SN: PF2M0XAG.

I moved resistor like every time and read MEC chip with SVOD4. I unlocked 3 other mainboards successfully but this one could not read. SVOD 4 Software says: "MECxxxx series in protect mode, work mass erase only". Like in screenshot.

What can i do?...

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x16 replied to HP EliteBook 845 G7 BIOS Pass

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09-07-2024, 05:17 AM
I progranmmed both chips, but still same error.

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x16 replied to HP EliteBook 845 G7 BIOS Pass

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09-06-2024, 03:10 PM
OK:

SerialNumber:5CG1159870
ProductConfigurationID:2N1M4EC
Board CT Number:PJUST00WBF97V8
Name:HP EliteBook
ProductName:HP EliteBook 845 G7 Notebook PC
BuildID:20WWLDCT601#SABD#DABD
FeatureByte:3X476J6S6b7B7H7M7Q7W7m7saBaEapaqauawbUcAdUdpdqeMfPguhKhkjhk8mEmV.dD
NetWork Mac Address :9E-BD-21-E7-DF-48

CM-494V-0

6050A3147201-MB-A01

Rev 1.11

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x16 replied to HP EliteBook 845 G7 BIOS Pass

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09-05-2024, 10:03 AM
Hi,
after windows bios update i get error: This Bios is not for production Use on every start. Bios version is 00.01.00 now.

Here are main and ec dump. Someone can help?

(CPU is AMD)...

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x16 replied to Need Bios: Asus ROG Strix G713QE

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03-14-2024, 10:12 AM
Thank you very much.

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x16 started a topic Need Bios: Asus ROG Strix G713QE

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03-12-2024, 01:53 PM
Need Bios: Asus ROG Strix G713QE

Hi,

i have Asus ROG Strix G713QE-HX223T where bios update gone wrong
Mainboard: G513-6050A3249301-MB-A01 A1
SN: M4NRKD014612138
CN: XT28

Need new Bios, but file from lenovo website bis 2kb to big. I don't know where to cut the 2kb in file (lenovo website.rar)....

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x16 replied to Bios Unlock Dell OptiPlex 5000

in BIOS & Schematic Requests!

02-09-2024, 01:36 PM
Thank you very much!!!

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x16 started a topic Bios Unlock Dell OptiPlex 5000

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02-09-2024, 11:53 AM
Bios Unlock Dell OptiPlex 5000

Hi,

i have a Dell OptiPlex 5000 Micro with Bios password. Reading both bios chips without desoldering was not possible, so i desoldered them und made dumps.

Someone can help with unlocking?

Mainboard: D12 ADL 6L D10NK$HA
Model D15U
Service tag: 2PXTKW3
Express Service Code: 5922026499
Suffix: 8FC8...

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x16 replied to Help with Thinkpad Maintenace Utility on T590

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01-14-2024, 04:48 PM
Sorry i didn't see your post.

But i found solution now!!!
Problem ist SVOD4. In some cases the svod4 programmer makes the mec chip (some kind of) locked. If this happenes the notebook is running, but mec isn't writable.
Then you need RT809H, write the dump back with this programmer and the problem ist gone, now i can write all data like B0 etc with U1. No Problems anymore and no error messages.
The funny part is: once programming with RT809H, programming with svod4 is possible again.

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x16 replied to Lenovo T14 gen 1: 2203: System configuration is invalid

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12-21-2023, 09:09 AM
Yes sorry for that. Sometimes i make a stupid things.
On SVOD4 it seems that if you send a wrong file to wrong area of MEC, then it destroys the mec?
I have no luck, but thank you very much for your help!!!

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Last edited by x16; 12-23-2023, 04:43 AM.
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x16 replied to Lenovo T14 gen 1: 2203: System configuration is invalid

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12-21-2023, 06:39 AM
OK i think i destroyed the board. I took your 2kb file and wrote it as main 256KB. After that the board don't power on. OK my fault, but no problem, just rewrite 256 with new lenovo File. But no write possible anymore. Even erasing is not possible.
When i press erase, it says ok, but on blank check it says error.

Maybee my Svod4 has a problem?

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x16 replied to Lenovo T14 gen 1: 2203: System configuration is invalid

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12-21-2023, 03:34 AM
Unfortunately I don't have an original 256kb fulldump of EC, because all dumps with 256kb are empty. I tried 20 times, but only got dump with 00. Only the 2kb dump from eeprom worked. Original file is here.

And yes i deleted line 300 till 350 because this is the area where password ist stored. Isn't it?
I even tried to flash back original, but same error....

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x16 started a topic Lenovo T14 gen 1: 2203: System configuration is invalid

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12-20-2023, 02:02 PM
Lenovo T14 gen 1: 2203: System configuration is invalid

I get "System configuration is invalid" on every boot.
I updated Bios and EC, even updated mec with svod4 with dump from lenovo and afterwards initialized eeprom with U1 and entered new serial. All DMI data are correct in Bios. But still message on every boot.
Any ideas?

Here the dumps:...

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x16 replied to Help with Thinkpad Maintenace Utility on T590

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12-07-2023, 09:21 AM
OK i try it...

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x16 replied to Help with Thinkpad Maintenace Utility on T590

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12-04-2023, 03:55 PM
Yes i tried this but no luck. I think mec ist locked or something like this. Maybee i do something wrong.

For nextime: just read eeprom with svod4 and write it back? Is this right? Then dmi data isn't get lost?

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x16 replied to Help with Thinkpad Maintenace Utility on T590

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12-03-2023, 10:58 AM
Can't i write it manualy with the dump of EC? Or other way?

What do you mean? You mean that with BootX64t.efi? Then yes i deleted the stick and completey made new one with U1.

Of course:...

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Lenovo L14 gen 2 unlock with svod4

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Lenovo Thinkpad T14 gen 1: Unlock MEC: in protect mode

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Need Bios: Asus ROG Strix G713QE

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Bios Unlock Dell OptiPlex 5000

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Lenovo T14 gen 1: 2203: System configuration is invalid

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