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T530 and thinkpad-ec

T430 and later, plus T530 and later series specific matters only
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T530 and thinkpad-ec

#1 Post by Raffa » Thu May 28, 2020 10:19 am

I would like to use thinkpad-ec (https://github.com/hamishcoleman/thinkp ... /README.md) to enable usage of non Lenovo battery on my T530.
Battery is from vhbw and currently has 43% charge, but T530 refuses to charge it since it's not genuine.

1) Bios is currently 2.67, do I need to upgrade it to a more recent stock version before the procedure?
2) Is the procedure safe or do I risk to brick the notebook if something goes wrong?


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Re: T530 and thinkpad-ec

#2 Post by atagunov » Thu May 28, 2020 11:07 am

My impression is that thincpad-ec on github is a well respected and sufficiently tested piece of software. There is always a degree of risk when messing with these things but I would estimate it as very moderate. I think in the worst case one can always resort to re-programming BIOS memory chips via Raspberry PI or another programming tool + a 2nd computer.

The way I understand the instructions in README file you linked is they suggest us to upgrade to the latest official BIOS version available which isn't locked. I'm planning to go through this process myself with X230 but haven't done so yet.. My reason to go through it will be different; it will be to use a classic keyboard. But regardless of that It would actually be great if you could post what you do step-by-step here so that I can follow :-D

The one bit from README that looks relevant is this
For safety, ensure that the EC version you are running is the same as the EC version used by the patched image you build. The version used to build the patch is shown at the end of the build process and during the pre-flash warning message
To me that's the final check to make after upgrading BIOS to latest non-locked version and writing the image generated by thinkpad-ec software to a USB stick
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Re: T530 and thinkpad-ec

#3 Post by cadillacmike68 » Fri May 29, 2020 12:04 am

Will it charge with the machine turned off? or is it that stubborn. The BIOS should not be running when it is off.
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Re: T530 and thinkpad-ec

#4 Post by Raffa » Fri May 29, 2020 1:41 am

It does not charge even when powered off.
As far as I understand, it does not depend on the bios, it depends on the embedded controller (EC).
Anyone here with first-hand experience that can answer my questions?

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Re: T530 and thinkpad-ec

#5 Post by RealBlackStuff » Fri May 29, 2020 3:04 am

My X230 with 1vyrain and EC-mod (running W7) charges its X220 battery, whether powered on or off.
I installed the EC-mod well over a year ago, using Debian Jesse.
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Re: T530 and thinkpad-ec

#6 Post by Raffa » Fri May 29, 2020 5:46 am

I did the EC mod with thinkpad-ec and it worked fine.
The non original battery is now charging.

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