Desoldered with a hot air station
I don't recommend using a Clip when there is more than one flash.
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Then as an option, try flashing two dumps
It should work, otherwise there are some problems with the board....
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Hello
I managed to figure out the problem
So I'll answer my own question, maybe it will be useful to someone
As it turned out, there are no problems with the EC controller firmware (it should be like that, only the DMI area)
Through experimentation, I found that it is enough to write the EC firmware area, previously downloaded from the official website, to the BIOS1(25Q128JW) flash drive.
The unzipped file is called as $0AR2600.FL2
This area is found twice in the dump
At addresses 0x1000 and 0x80000
After that, the laptop started up
...
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Hello everyone!
I have a similar problem.
[B]Thinkpad L13 Yoga Gen 4[/B]
[B]S/N:[/B] PW07PX44
[B]Type Number:[/B] 21FS-S0NM00
But, as far as I'm concerned, the EC controller needs to be flashed first
Since it's actually clean, only the DMI area remains at the end
I am attaching the read dump of NCPX997
When the charger is connected, the laptop consumes 25mA statically, does not respond to the power button, but the indicator lights up as if the laptop is on.
Help extract the firmware of EC controller from BIOS update...
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Re: On Board Ram Disable via Bios Editing
Hello
Thanks for the help, but unfortunately for some reason these modified bios do not help
Static consumption 0.4A
Although with the bios distributed on the network, which seems to be for this platform, there is a launch and everything seems to work (except for the built-in microphone and the output to the headset)
As it turned out, the reason for this is that this bios is designed for a different NM-C811 platform, not NM-C861
And what is wrong in this situation is not clear?
Hardware change with straps...
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Re: On Board Ram Disable via Bios Editing
Sorry
I edited the post
Thanks for the instruction...
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Re: On Board Ram Disable via Bios Editing
Can you please help disable on board ram for LENOVO IDEAPAD 3 15ARE05 NM-C861
SN: PF2BL2H8
Straps do not help to transfer the motherboard in DIMM only...Last edited by Alegoff; 10-28-2023, 02:56 PM.
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Re: New Members - please post your introductions here
Greetings, just decided to join your wonderful forum. I found this place when I was looking for information on how to remove the bios admin prole
I hope to learn more about computer electronics and improve my laptop repair skills
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