Known Apple EFI Bios Chips


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6 years 4 months ago #8866 by OCBSlimz
Bit of a random question, I know the MX25L6406E is widely used in Apple Macbooks, but what other chips are used ?

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6 years 4 months ago #8869 by vnn567
Replied by vnn567 on topic Known Apple EFI Bios Chips

OCBSlimz wrote: Bit of a random question, I know the MX25L6406E is widely used in Apple Macbooks, but what other chips are used ?

Winbond and Macronix

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6 years 4 months ago #8917 by KingBonecrusher
If you replace the bios chip with a new winbond chip you need to set the qe-bit to get it work.

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6 years 4 months ago #8920 by vnn567
Replied by vnn567 on topic Known Apple EFI Bios Chips

KingBonecrusher wrote: If you replace the bios chip with a new winbond chip you need to set the qe-bit to get it work.

i can remove all model macbook retina 2010 to 2017 . never replace the BIOS chip

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6 years 4 months ago #8925 by KingBonecrusher
If you can read the chip with a easy flash clip you don`t need to resolder, correct.

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6 years 4 months ago #8929 by OCBSlimz
Replied by OCBSlimz on topic Known Apple EFI Bios Chips
By the hash code you mean ?

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6 years 4 months ago - 6 years 4 months ago #8930 by vnn567
Replied by vnn567 on topic Known Apple EFI Bios Chips

KingBonecrusher wrote: If you can read the chip with a easy flash clip you don`t need to resolder, correct.

with 2016 and 207 i sure you can read it BUT you cannot read and write it

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Last edit: 6 years 4 months ago by vnn567.

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6 years 4 months ago #8932 by KingBonecrusher
I have no experience with 2016/2017 macs. But for sure i know, the hash methods works till 2010/2011 models.

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5 years 11 months ago #9717 by Miguekun
Replied by Miguekun on topic Known Apple EFI Bios Chips

KingBonecrusher wrote: If you replace the bios chip with a new winbond chip you need to set the qe-bit to get it work.


hi,
where can I find more information about qe-bit?
thx

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5 years 11 months ago #9723 by KingBonecrusher

Miguekun wrote:

KingBonecrusher wrote: If you replace the bios chip with a new winbond chip you need to set the qe-bit to get it work.


hi,
where can I find more information about qe-bit?
thx


www.winbond.com/resource-files/w25q64fw_revj%2002262016%20sfdp.pdf

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5 years 11 months ago #9732 by zenelli
Replied by zenelli on topic Known Apple EFI Bios Chips

vnn567 wrote:

KingBonecrusher wrote: If you can read the chip with a easy flash clip you don`t need to resolder, correct.

with 2016 and 207 i sure you can read it BUT you cannot read and write it


NO problem here,
can read and write all years and models without desoldering chip

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