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[REQUEST] Lenovo Ideapad 520S-14IKB (4QCNxxWW) BIOS Unlock
#1
Hello, I have tried to modify the bios of this laptop, but I am not able ... I use it for hackintosh, and I wanted to have access to the advanced menu ...

I just dumped the bios:

https://drive.google.com/file/d/1M_I80Q8...sp=sharing

This version:

https://pcsupport.lenovo.com/us/en/produ...s/ds121264

Many thanks


Attached Files
.rar   Backup bios Lenovo ideapad 520S.rar (Size: 5.09 MB / Downloads: 1)
find
quote
#2
(12-12-2021, 08:53 AM)PoMpls Wrote: Hello @Dudu2002 Smile ... Private message answered.

Thanks a lot
Hi
Your mod completed. Check your messages

This mod for this notebook ONLY !!!
find
quote
#3
Thank you very much @Dudu2002 .. a perfect job, now I have total control of the laptop xD

[Image: UAe9gDs.jpg]

[Image: lvghbJa.jpg]

[Image: mHcGzzj.jpg]

[Image: jALiTpm.jpg]

[Image: DoCyW9v.jpg]

[Image: 3fq9Ek4.jpg]

And many more options xD

Many thanks Smile
find
quote
#4
Hey! @Dudu2002 Can I also get the moded bios? Do you need my dump of the bios? Thanks
find
quote
#5
(06-08-2023, 04:48 AM)techdan Wrote: Hey! @Dudu2002 Can I also get the moded bios? Do you need my dump of the bios? Thanks
Hi
Yes, need your bios dump
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quote
#6
Hi there,

I am currently in a need to unlock advanced settings on my lenovo ideapad 520s-14ikb Type: 81BL, I really need the ability to use reduce latency on my ram timings from 2T to 1T. My old 8GB runs at 2400Mhz 1T and felt a lot more snappier than my current 32GB 2400Mhz 2T.

I managed to pull the bios file using my EZP 2023 programmer attached below. I tried into unlocking them myself but unable to do so as I am not familiar with HII database headers.


.zip   Lenovo520s14ikb.zip (Size: 5.27 MB / Downloads: 2)



Laptop support link: https://pcsupport.lenovo.com/us/en/produ...7A93E0428C

Your help is surely appreciated.
find
quote
#7
(10-31-2023, 07:44 AM)rekada Wrote: Hi there,

I am currently in a need to unlock advanced settings on my lenovo ideapad 520s-14ikb Type: 81BL, I really need the ability to use reduce latency on my ram timings from 2T to 1T. My old 8GB runs at 2400Mhz 1T and felt a lot more snappier than my current 32GB 2400Mhz 2T.

I managed to pull the bios file using my EZP 2023 programmer attached below. I tried into unlocking them myself but unable to do so as I am not familiar with HII database headers.

Your help is surely appreciated.
Hi
Your mod completed. Check your messages

This mod for this notebook ONLY !!!
find
quote
#8
Hi Dudu2002, 

I would like to request the advanced BIOS options for my Lenovo Ideapad 520S 14ikb (Model: 80X2). 

My laptop only recognizes 2GB out of the 8GB RAM installed. I think enabling the Memory Remap Feature might solve this, but it doesn't show up in my BIOS.

I used Universal BIOS Backup Toolkit to create a BIOS dump. Automatic size detection didn’t work, so I set the size to 8192 KB manually. This created a ROM file instead of a BIN file. Is this the correct way to create the dump file? 

If so, could you please help unlock the advanced BIOS options for me as well?
Thank you for your assistance!


Attached Files
.rar   -.rar (Size: 3.74 MB / Downloads: 0)
find
quote
#9
(07-07-2024, 02:54 PM)rover233 Wrote: Hi Dudu2002, 

I would like to request the advanced BIOS options for my Lenovo Ideapad 520S 14ikb (Model: 80X2). 

My laptop only recognizes 2GB out of the 8GB RAM installed. I think enabling the Memory Remap Feature might solve this, but it doesn't show up in my BIOS.

I used Universal BIOS Backup Toolkit to create a BIOS dump. Automatic size detection didn’t work, so I set the size to 8192 KB manually. This created a ROM file instead of a BIN file. Is this the correct way to create the dump file? 

If so, could you please help unlock the advanced BIOS options for me as well?
Thank you for your assistance!
Hi
Your bios is rewrite protected
Bios mod can be flashed using SPI-programmer+SOIC8 clip only
I also think your problem is not bios related
find
quote


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