Mod my bios 
Interesting thing is happening, flashing the original will allow it to boot right up but the smallest mod will cause it to hang.
I’m trying to get to the bottom that…
You can just save the page with CTRL + S if you want a local copy of the current state that you can run in the browser without hassle.
What exactly are you trying to do? As I mentioned above, just use the regular page or save it locally if you need to run it without internet connection. You’ll likely break something if you don’t know what you’re doing trying to host it with IIS.
sorry for confusion, I’m referring to writing the rom to the bios after modifications are done in the editor. same thing happens when using BCP.
I was going though the forum and came across a few threads by LNB and didn’t find any solution for this issue. other testers have encountered this issue but I can’t find a resolution. LNB just did a tweak or two and boom, the bios accepted the updated file. there’s a step I’m missing.
Went reviewing all your posts… can you at least inform the forum/thread of what brand/mb/model/method used are we talking about here… We aren’t “wizards” here you know.
Thank you.
Panasonic cf-33, not sure who makes the mb but the bios is Aptio V with a 16mb rom.
And who told you that a modified bios file would have a chance of being flashed in a system that uses AMI Aptio V core bios UEFI based and all the securities of the firmware or OEM measures would let you do this… don’t you know that this is a “battlefield” that changes evrey day, a little ignorance here don’t you think.
The following is just an example of the “tricks” used, since Aptio IV was implemented… take your conclusions.
Use a programmer or Intel FPT method (If even possible…), since this is an Intel 10th Gen based system
Intel (Converged Security) Management Engine: Drivers, Firmware and Tools (2-15) - Special Topics / Intel Management Engine - Win-Raid Forum (level1techs.com)
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thank you but it’s actually a 7th Gen, old i5-7300U.
definitely doable providing I do some wizardry…
but why doesn’t BCP produce a file that the bios accepts without all the tricks?
it’s official software, correct?
this editor does a great job of processing the data because it’s very explicit but the output file from the tool after injecting these mods are different when examined with a hex tool.
so clearly there a extra step required to make the file pass the bios gut check… what’s the extra step if you know?
the help is much appreciated
do some wizardry…
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crunched for time, just need a cheat code.
you know, the kind LNB gave out like it was Christmas…
Hello, can anyone please tell me how can i enable this setting?
Skip Scanning of External Gfx Card - must be enabled. How do i do that?
I tried to follow the instructions in this article to change the UEFI
I have modified this section
IOU0 (IIO PCIe Port 2) | VarStore: IntelSetup | VarOffset: 0x531 | Size: 0x1
x4x4x4x4: 0x0
x4x4x8: 0x1
x8x4x4: 0x2
x8x8: 0x3
x16: 0x4
Auto: 0xFF
However, there was no effect: the NVMe disk was visible only 1 of 4 devices
Hi! New here and trying to make sure this is the right place to post. Got a Dell 7820 trying to get working with an Nvidia Tesla P40. Been banging away at this for the past month and everything I’ve read/done has lead me to here and would love to contribute to the cause from a Linux perspective. Seems a BIOS mod is where everything is currently pointing me to, however I’ll admit that I’m a little over my head trying to collect the right information given that I made the switch from Windows to Linux about 6 months ago. I do have a bunch of info I can share, but wanted to confirm this is the right place. Thanks in advance!
Hi.
Thanks for providing amazing tool.
I have problem with editing bios.
Motherboard: B550M Pro SE
Bios Download Link: ASRock > B550M Pro SE
I got the error while opening the bios file(downloaded from official site) with UEFITool.
-
FfsParser::parseRawArea: one of objects inside overlaps the end of data
-
FfsParser::performSecondPass: the last VTF appears inside compressed item, the image may be damaged
And the Bios file structure is different.
Is it okay using the extracted bios with above errors?
if then, please someone teach me how to edit bios…
This thread IS NOT about the UEFITool, that is an auxiliar outside tool and project from spare time of a developer/firmware security engineer.
Structure of AMD platforms are a bit messy/unpredictable results/analysis with it.
This thread is about UEFI-editor
Sorry.
Hello
This is the basic question, but trying to learn how to modify the bios. Please teach me kindly.
Above image is showing the language selection on the BIOS. As a first thing, I want to try hide the language selection button.
Motherboard: ASRock b550m pro se
Bios version: 3.41
To hide the language selection panel, I tried uncheck the suppress_if. with this modified bios, I can enter bios setting, but black screen, and with moving mouse, the black screen removed following the mouse path(like erase tool on the paint). And I can see the ASRock background only, no any text.
Here is my extracted files.
Please teach me what should I do to hide the language selection panel.
Thanks
extracted.zip (615.7 KB)
Uploading: 11111.png…
Hello, thank you very much for the tool. I used an MSI x99a Gaming 7 motherboard and an E51660V3, and I tried following the tutorial to remove the red circles in the CSM Compilation and flash it into the motherboard. But when I press del to enter the bios settings, the screen just goes black and nothing happens. What could be the cause?
Hello,
I’m reaching out with a technical question regarding a BIOS protection issue I’ve encountered:
My BIOS appears to be protected. When I open the BIOS binary file with UEFITool NE, I see the message “AMI v2 protected ranges hash file found at base …” under Security. Additionally, when I attempt to change settings without flashing a modded BIOS (using tools like RU.EFI or setup_var_cv), I run into errors. For instance, trying to modify the overclocking lock flag in CPUSetup returns the error: “Write variable failed: 0x00000008.”
Given this, I’d like to know if it’s feasible to use the UEFI Editor to modify the BIOS firmware to reveal hidden BIOS menus and then flash it back. Would the BIOS protection still apply, possibly preventing successful hash verification and causing boot issues?
Any advice or insights you could share would be greatly appreciated. Thank you for your time and help!