[REQUEST] Lenovo ThinkPad L450 (JDETxxWW ) BIOS Unlock

[kaiomatico]

Hello everybody
I have a Lenovo L450 notebook (broadwell i3-5005U...) with BIOS version v1.1 jduj03ww.exe and want to change the dvmt pre-allocated size to 128mb. It is possible, because I analyzed the BIOS with UEFITool and IFR Extractor. Here is the Interesting part
(part of the pe32 image of PlatformHiiAdvancedDxe)

0x2685A Grayout If: {19 82}
0x2685C Security: 85B75607-F7CE-471E-B7E4-2AEA5F7232EE {60 92 07 56 B7 85 CE F7 1E 47 B7 E4 2A EA 5F 72 32 EE}
0x2686E Not {17 02}
0x26870 End {29 02}
0x26872 Setting: DVMT Pre-Allocated, Variable: 0x37 {05 A6 61 04 62 04 1D 27 0A 00 37 00 04 10 01 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
0x26898 Default: 8 Bit, Value: 0x1 {5B 1B 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
0x268B3 Default: 8 Bit, Value: 0x1 {5B 1B 01 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
0x268CE Option: 32MB, Value: 0x1 {09 1C 63 04 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
0x268EA Option: 64MB, Value: 0x2 {09 1C 64 04 00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
0x26906 Option: 128MB, Value: 0x4 {09 1C 65 04 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
0x26922 End of Options {29 02}
0x26924 End If {29 02}


I tried using EFI Shell with the command "setup_var 0x37 0x4", but it jsut says looking for variable and then nothing comes (just another grub> prompt, but the variable seems not to have changed).

So please help me with a bios which has this option unlocked or point me in the right direction on how I can set the variable. Thank you very much in advance!

[BDMaster]

I have to see your Bios Backup !
use these tools run them as Admin and upload the results files here :

http://rghost.net/58219938

http://rghost.net/53128665

let me know
Regards

[kaiomatico]

Thank you for the quick answer. Here are the files:

http://www.sendspace.com/filegroup/t1xlC...zNDLHC2i6A

[BDMaster]

Your laptop has an AMD CPU ?
Regards

[kaiomatico]

No. As stated in the first post, it has an Intel Broadwell i3 5005U CPU. The more detailed technical specifications are here: http://shop.lenovo.com/us/en/laptops/thi...tech_specs

[BDMaster]

Can You do a Full Report using AIDA64 cracked version to see all MoBo specs ?
We have to know which is your MoBo Chipset to find the FPT working version
for your laptop !
It seems your laptop Chipset has this soft 10.0.22 so You have to use this tool
run It as Admin andupload the result file here :

http://rghost.net/7GBZt7FVt

This Mod will be realzed by Oleh as He knows how to unlock the Advanced Tab
into Leovo Laptop !
I will follow any developing of It !
Let us know, please !
Regards

[kaiomatico]

Tank you and Oleh a lot. In about 10 hours I will be home and send you the logs.

[kaiomatico]

Here is the new results.rar with your new BACKUP_Tools12. Also I have made a full report (all pages) with Aida64 Extreme Edition (latest version). I hope it helps

http://www.sendspace.com/filegroup/611G6...cVFdP6%2FA

[Oleh]

http://www.sendspace.com/filegroup/611G6...cVFdP6%2FA

again what you need?

[kaiomatico]

Hello Oleh. Please read the first few posts to get all the information needed (like my bios dump).
I want to set the dvmt pre-allocated size from the default value 0x1 (32mb) to value 0x4 (128mb). I tried using the efi shell command "setup_var 0x37 0x4", but it can not find the variable and does not change the value.

It jsut returns another grub> prompt. So my request is the following:
A) help me change the value
B) create a BIOS which has the dvmt pre-allocated size set to 128mb (variable 0x37 set to value 0x4)
C) create a BIOS which unlocks me setting the dvmt pre-allocated size

with either of A,B or C I would be very very happy