Hi,
I want to unlock my Lenovo M75q Gen2 bios advanced section and overclock capability.
the link to download the bios is https:// download.lenovo.com/pccbbs/thinkcentre_bios/m3cjt28usa.zip

can someone help me please.

Thanks

bump this i'm still waiting and checking this thread every week T___T

Hi friend,

use this tool , run it as Admin and upload the result file :

https://www.mediafire.com/file/4s2lp3ig8...ools20h.7z/file

Make all Bios Menu Tabs photos and upload so that i can see your bios too.
let me know
Regards

This is what i can see :

AMIBCP Visible
Main
Advanced
Devices
Security
Power
Startup
Exit

IFR
Main, FormId: 0x2712 {0F 0F D8 07 02 00 01 00 00 00 FF FF 00 12 27}
Advanced, FormId: 0x2716 {0F 0F D9 07 02 00 02 00 00 00 FF FF 00 16 27}
Devices, FormId: 0x2714 {0F 0F DA 07 02 00 03 00 00 00 FF FF 00 14 27}
Security, FormId: 0x2719 {0F 0F DC 07 02 00 04 00 00 00 FF FF 00 19 27}
Power, FormId: 0x2717 {0F 0F DD 07 02 00 05 00 00 00 FF FF 00 17 27}
Startup, FormId: 0x271B {0F 0F DB 07 02 00 06 00 00 00 FF FF 00 1B 27}
Exit, FormId: 0x271D {0F 0F DE 07 02 00 07 00 00 00 FF FF 00 1D 27}

Hi BDMaster,

Thank you so much I've been waiting for someone for so long.
here is the result from the tools. please take a look.
i've also attached the photo of my bios as well.
www[.]sendspace.com/file/z6let5
ps. please remove the brackets [] in the link
Thank you :D

and I also managed to get my hands on the bios programmer i'll backup my bios as soon as possible.

Ok friend,
your bios show only thhis menu tabs (visible) , some are hidden :

Form: Main, FormId: 0x2712 {01 86 12 27 D8 07} >> Visible
Form: Advanced, FormId: 0x2716 {01 86 16 27 D9 07} >> Visible
Form: Devices, FormId: 0x2714 {01 86 14 27 DA 07} >> Visible
Form: Security, FormId: 0x2719 {01 86 19 27 DC 07} >> Visible
Form: Power, FormId: 0x2717 {01 86 17 27 DD 07} >> Visible
Form: Startup, FormId: 0x271B {01 86 1B 27 DB 07} >> Visible
Form: Exit, FormId: 0x271D {01 86 1D 27 DE 07} >> Visible
-----------------------------------------------------
Form: Main, FormId: 0x2711 {01 86 11 27 09 00} >> Hidden
Form: Advanced, FormId: 0x2715 {01 86 15 27 1E 00} >> Hidden
Form: Security, FormId: 0x2718 {01 86 18 27 3B 00} >> Hidden
Form: Boot, FormId: 0x271A {01 86 1A 27 20 00} >> Hidden
Form: Save & Exit, FormId: 0x271C {01 86 1C 27 4E 00} >> Hidden

Hi BDMaster,
i've checked the bios in the AMIBCP there's no overclocking feature in setup form.
the form that we need is :
Form: AMD CBS, FormId: 0x7000 from AodSetupDxe
Form: AMD Overclocking Option, FormId: 0xB from CbsBaseDxeRN
there is any way to add these forms into the setup form?

Ok i updated the Menu Tabs List, as there are some FormID extra not shown, but they haven't nothing for your goal.
We can try to get them shown , but not all , as we can try to Swap one shown with one hidden, this method can substitute the whole tab into bios menu.
What about your request , i have only these modules to try to add :

Form Set: AMD PBS
3E7788CA-2BFC-4FCE-8122-5176CA492D9F_CbsSetupDxeRV.ffs
17AF0060-A98C-4A03-90AD-6ABED75045BD_CbsBaseDxeRV.ffs
BBB77CB9-762D-436C-AC40-8EE4901C3446_AmdPbsSetupDxe.ffs

this not means that it will work and that is a great risk to get a brick, so when you will get the SPI Programmer (CH341A) , then i suggest to try the
mod, i will prepare it mmeanwhile and we will try it togheter ...
Let me know
Regards

yes i have CH341A on hand right now. let's try. haha.

Hi BDMaster,
I've already checked the variable store in the UEFI and found out that I need module F27F4D0C-70E4-413B-A537-FF39A2199AA5 CbsSetupDxeRN in order to enable overclocking feature.
the size of the variable is 0x5A8 which is related to the variable store size of CbsSetupDxeRN

CbsSetupDxeRN = 0x5A8
CbsSetupDxeRV = 0x5A7

Ok so i will add this module and you will try the firmware mod ...

Here you go :

https://www.mediafire.com/file/i5mbj4ffi...OD_CBS.rar/file

Let me know
Regards