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Unlock Advanced Options in Lenovo B450 BIOS
#1
Brick 
Please help me to unlock Advanced Bios Features in my laptop.

Model - Lenovo B450
BIOS - InsydeH2O Rev 3.5
BIOS Download - http://download.lenovo.com/UserFiles/Dri...CN26WW.exe


Thank you.
find
quote
#2
Here

https://hostr.co/d68JZt4THJOx

find
quote
#3
(03-04-2014, 09:40 AM)fjfc Wrote: Here

https://hostr.co/d68JZt4THJOx

Thank you fjfc.

I flashed my BIOS with the above file, I got a new tab 'Configuration' but as soon as I move to that tab system is restarting. Everything else is working fine, but I am unable to select that tab.

By the way, I am looking to enable VT-X on the BIOS.

Hope you can fix it.

Thank you.
find
quote
#4
(03-04-2014, 01:51 PM)NirmalRajmohan Wrote:
(03-04-2014, 09:40 AM)fjfc Wrote: Here

https://hostr.co/d68JZt4THJOx

Thank you fjfc.

I flashed my BIOS with the above file, I got a new tab 'Configuration' but as soon as I move to that tab system is restarting. Everything else is working fine, but I am unable to select that tab.

By the way, I am looking to enable VT-X on the BIOS.

Hope you can fix it.

Thank you.

Ok I'll take a look, is your processor compatible with vtx?

find
quote
#5
(03-04-2014, 02:29 PM)fjfc Wrote:
(03-04-2014, 01:51 PM)NirmalRajmohan Wrote:
(03-04-2014, 09:40 AM)fjfc Wrote: Here

https://hostr.co/d68JZt4THJOx

Thank you fjfc.

I flashed my BIOS with the above file, I got a new tab 'Configuration' but as soon as I move to that tab system is restarting. Everything else is working fine, but I am unable to select that tab.

By the way, I am looking to enable VT-X on the BIOS.

Hope you can fix it.

Thank you.

Ok I'll take a look, is your processor compatible with vtx?

Yes, it is compatible.
Please see the CPUz Screenshot.
The new menu added is 'Advanced', but if I move to 'Configuration' laptop restarts.

[Image: CPUInfo.jpg]
screenshot tool
find
quote
#6
I'll try to manually enable vt-x for you with a mod and will edit here with the link...

EDIT

Can't be done using the original BIOS...

Can you DUMP your BIOS for me and link it? there are several tools and tutos on web on how to do this....
Also, was this tab Configurations in the BIOS already before the mod? was it working?

find
quote
#7
It is in Advanced CPU Control (sub-menu) if not appear it's hidden so unlock and will be visible !
Setting: VT Support, Variable: 0x1AF [1] default (It's enabled by default)
Option: Enabled, Value: 0x1
Option: Disabled, Value: 0x0

Into bios backup You will find this register 0x1AF and if it's = 0 then is disabled !

regards

[size=undefined]Your Brain [/size]. . . . It's the best tool U can use ! Wink
[size=undefined]Don't FLASH the Bios Mod if You get a Size Alert, You risk a Brick !!! [/size]
Donate to me for my work, click here BDM
find
quote
#8
(03-04-2014, 05:34 PM)BDMaster Wrote: It is in Advanced CPU Control (sub-menu) if not appear it's hidden so unlock and will be visible !
Setting: VT Support, Variable: 0x1AF [1] default (It's enabled by default)
Option: Enabled, Value: 0x1
Option: Disabled, Value: 0x0

Into bios backup You will find this register 0x1AF and if it's = 0 then is disabled !

regards

Master BDMaster, I'm waiting for him to backup it, so that I can use EFI Dumper
Many thanks

find
quote
#9
(03-04-2014, 05:34 PM)BDMaster Wrote: It is in Advanced CPU Control (sub-menu) if not appear it's hidden so unlock and will be visible !
Setting: VT Support, Variable: 0x1AF [1] default (It's enabled by default)
Option: Enabled, Value: 0x1
Option: Disabled, Value: 0x0

Into bios backup You will find this register 0x1AF and if it's = 0 then is disabled !

regards

Hey BDMaster. Sorry I haven't been online in a while. Nice to see this forums staying busy! Big Grin

So for IFR, I use the C programming language notation to indicate the size in bytes of the variable storage, [size in bytes]. Unfortunately EFI's IFR doesn't indicate the default value like UEFI's does. So for this setting:
Code:
Setting: VT Support, Variable: 0x1AF [1]
It's variable storage is located at offset 0x1AF at it takes up 1 bytes Tongue

The notation Universal IFR Extractor uses is:
Code:
Anything in parentheses, (), is additional information
Anything in brackets, [], is the size in bytes
Anything in braces, {}, is code

And incase you didn't notice, I got version 0.5 uploaded Big Grin
find
quote
#10
(03-04-2014, 10:11 PM)donovan6000 Wrote:
(03-04-2014, 05:34 PM)BDMaster Wrote: It is in Advanced CPU Control (sub-menu) if not appear it's hidden so unlock and will be visible !
Setting: VT Support, Variable: 0x1AF [1] default (It's enabled by default)
Option: Enabled, Value: 0x1
Option: Disabled, Value: 0x0

Into bios backup You will find this register 0x1AF and if it's = 0 then is disabled !

regards

Hey BDMaster. Sorry I haven't been online in a while. Nice to see this forums staying busy! Big Grin

So for IFR, I use the C programming language notation to indicate the size in bytes of the variable storage, [size in bytes]. Unfortunately EFI's IFR doesn't indicate the default value like UEFI's does. So for this setting:
Code:
Setting: VT Support, Variable: 0x1AF [1]
It's variable storage is located at offset 0x1AF at it takes up 1 bytes Tongue

The notation Universal IFR Extractor uses is:
Code:
Anything in parentheses, (), is additional information
Anything in brackets, [], is the size in bytes
Anything in braces, {}, is code

And incase you didn't notice, I got version 0.5 uploaded Big Grin

Hey donovan, this version you linked is 0.3

find
quote


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