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Middleton BIOS update

X60/X61 and X60t/X61t Series
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karotlopj
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Middleton BIOS update

#1 Post by karotlopj » Sun Jul 16, 2023 1:55 am

I would like to attempt a Middleton BIOS update to ThinkPad X61 and understand that I need a fully charged battery, but I'm not sure what 'fully charged' means, ie will an old fully charged battery suffice? How much charge should it have?
My ThinkPad Graveyard:
600 * 2, X220, X61 * 2, T61

axur-delmeria
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Re: Middleton BIOS update

#2 Post by axur-delmeria » Sun Jul 16, 2023 9:23 am

Fully charged means just that, 100% charged. I don't have any hard evidence to back it up, but I think that if a battery pack still has more than half of its original capacity, it's considered as "good".
Planned Purchase: T480s i5-8350 FHD Touch
Impulse Buy: Thinkpad not named for safety reasons :lol:

Old Faithful: X220 4291-C91 i7-2620M

TPFanatic
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Re: Middleton BIOS update

#3 Post by TPFanatic » Sun Jul 16, 2023 11:23 am

It doesn't have to be fully 100%, 80 or 90% is fine. It's just a fail safe so that if you lose power during the operation you don't end up with a brick.

unixed
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Re: Middleton BIOS update

#4 Post by unixed » Sun Jul 16, 2023 1:17 pm

Solid green indicator.

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