If you had read the links Fernando provided, then you already have know that AMI tools will not work as the ASUS bios security prevents modified files from being flashed, if it was possible all this guides and the alternatives i posted weren’t needed right…
Same situation prevents it in bios with EZ Flash… welcome to the mod world…
Hello! It seems that the /GAN command is missing…even though i’ve downloaded the 64bit version of the afuwin. Is there another version that the GAN command will work? When I try, it feels like nothing work. The only message there was, “Press any key bla bla bla” The description on the text was “AMI Firmware Update utility(APTIO) for pure 64bits WINDOWS.”
Did I use the wrong version?
v3.05.04
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@RedditorUser5928
Why didn’t you read the start post carefully?
Here is an excerpt of it:
According to my knowledge the " /GAN" command works with all AFUDOS version, but only with older AFUWIN versions (as WeatWar has written).
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Thanks! Got it working under the version as meatwar mentioned. Already flashed on my Asus Z87K. Glad that I found this post!
3 posts were merged into an existing topic: [GUIDE] Update CPU Microcode + Fix FIT Using UEFITool / Hex
Yes, you obviously used a not working AFUWIN version, because you haven’t read the related part of the start post.
Bad consequence for MeatWar and me: We both wasted our free time unnecessarily for you.
Don’t expect any further support from my side.
Yes,understand.
But CH341A programmer and Intel FPT tool are too complicated for me…
It looks like the road ends here and without flashed bios 
ASUS bios mod on motherboards without USB BFB, options are AI Suite, CH341A, Intel FPT tool or AMI /GAN…and welcome to the mod world…what did you expected from trying modified files to be flashed.
Only flash option I can try is Afudos with usb key or Afuwin / GAN
Hi MeatWar.
I followed the instructions created by the oldguy user with the same H87 mobo but stopped at those last instructions. I can’t run afuwin64.exe in the command line windows 10.could you show me where and how to insert exactly please?
Thanks
Charles
Successfully done.Last question.
Where I can find the the right bios settings for NVMe ssd with pcie adapter installed .
Thanks
Charles
To read and learn: [HowTo] Get full NVMe support for all Systems with an AMI UEFI BIOS - NVMe Support for old Systems - Win-Raid Forum
A post was merged into an existing topic: [HowTo] Get full NVMe support for all Systems with an AMI UEFI BIOS
Hi, I was trying to use your guide, but the link to re creating the CAP file seems to be broken, and I seem to need that step to proceed?:
Only for ASUS BIOSes, whose capsule had been removed by extracting the “Body”, but shall be flashed by using the ASUS USB Flashback feature:
Don’t forget to re-insert the original capsule and to save the modded BIOS as *.CAP file!
Can you either point me to the correct place ,or just explain what needs doing, thanks in advance.
Edit by Fernando: Broken and misleading link within the quoted text removed
You… who…??? Use @username and that user will be notified.
Using the UEFI tool to extract (UEFItoolNA version) and replace (UEFI tool regular version) the bios region, by the mod one.
LongSoft/UEFITool: UEFI firmware image viewer and editor (github.com)
That’s Correct Fernando, just what I was trying to do.
This is a different link to that previously pointed to, but suggests an answer.
Seems I just rename the .rom file as specific name .cap file, and put it onto a USB stick…
so I can use USB flashback…
So far it fails… but there we go.
So, to be clearer. I downloaded the file for my motherboard, P8Z77-V-PRO-ASUS-2104.CAP
and the NvmExpressDxe_5.ffs file to add the NVMe capability.
downloaded UEFITool.exe and extracted the body, to get a rom file.
Downloaded and used the MMTool 4.50.0.23 to put the NVM into the rom file.
renamed the rom file Z77VP.CAP as per the document DE103_Z77_H77_Series_BIOS_Renaming.pdf
Dropped it onto a recently formatted small size USB stick, and put it into the flashback usb port.
Shutdown the computer, pressed the usb flashback, and waited? 4 maybe 5 flashes, then with a light on? for 10 mins or so, and nothing seemed to happen, so something failed.
Tried with a few usb sticks… no change…
No…after inserted the NVMe dxe driver, the mod rom is to replace the previous bios region you extracted with the UEFItool, again on the CAP file, then the file is renamed and USB BFB will work.
EDIT: (22 Set 2022) Where did i mentioned MMtool for the bios region swapping operation on the CAP???.. i said UEFI tool, MMtool is only for the insertion of NVMe DXE
- General guidance of UEFItool and general operations behaviour, with SPI bios volumes, regions, guids, mcodes… same rule for all those, that the tool can extract/replace, but always in mind that anything can change when saving/rebuilding the image after modifications, this will mostly apply when dealing with individual sections, usually theres no issues when dealing with entire volumes/regions.
Tools variants used: UEFItool_NA_A6x/5x for extraction, UEFItool_0.28.0 / 0.25.0 for replacing.
-
The ORIGINAL CAP bios file (Ex.: ASUS P8Z77-V PRO) upon opening…
-
REMOVING the MAIN bios image from the CAPSULE/(ATED) original bios file…
This is the optimal action to work on mods, preventing the OEM firmware signature breakdown.
This will ask to save it as Default name: Image_Intel_Intel_image.rom, that can be renamed at user description.
-
EXTRACTION of the bios_region from an ALREADY uncapsulated bios file:
-
REPLACING the modified bios_region (Ex.: NVMe mod inserted)… on the extracted image or in the original CAP file, if the work is done and no further modifications required.
Upon modifications done by the user, its time to apply them by saving and the tool will rebuilt the image it presenting us the option of opening and view the new file. -
ALTERNATIVE manual method to return the a full extracted original/mod main bios to the original CAPSULE file…an HeX editor of your own choice.
-
And in this example we have 0x800 as the full CAP header on the original CAP file on the left and next to it, on the right side, we can see that it lacks such length in the previous main bios extracted file (Ex.: Intel_image)
-
…now this newly user modified (Assuming so as intention) extracted main image is exactly the length that needs to be merged/replaced in the original CAP file and having so, a ready-file mod for flashing.
-
Final notes: In this example, ASUS CAP file was used and it should be renamed by BRENAMER tool (This Ex.: P8Z77-V-PRO-ASUS-2104.CAP will be will turn in Z77VP.CAP) or manually renamed if the user already has the knowledge of it.
ONLY mods merged again back in to the CAPSULATED file will be accepted in motherboard models with the ASUS USB Bios Flash Back feature, being the recommended flashing method for MODS, as quoted in this thread flashing guide.
Last reviewed: Aug 2024
EDIT: (22 Set 2022) “Within the CAP file, so the newly created file, is presumably the file to rename and then flash to the bios…”
Yes, now rename the CAP according Asus BFB and use it with it, that’s it if the NVMe was correctly inserted upon the guide, follow the OS installation instructed also in the guide.
Oh OK…
so, after MMTool used to put NVM into the rom file…
How do you then replace the bios region in the cap file with this version?
Or, do you just edit the CAP file with the MMTool to put the Nvm driver directly into it?
In which case why use the UEFITool at all?
Thought I was following the instructions Ok before, now not sure at all.
EDIT:
OK, so use UEFItool to extract the Bios region only.
Your images do not show the AMI Aptio capsule level… again, maybe relevant.
edit the exported rgn file to add the NVMe driver.
and then you have an option to replace the bios region with this file? its greyed out for me, as per your first image?
I note you seem to be using 2 different version of UEFITool, is that relevant?
The version I have is NE alpha 60
I also note your file is a .BIN file not .CAP?
@MeatWar
EDIT 2:
OK, downloaded another version, following your version numbers, the latest is 0.26.0 and this does let me replace the bios, as you said…
Within the CAP file, so the newly created file, is presumably the file to rename and then flash to the bios…
@MeatWar
EDIT 3: Yep… That worked, I now have NVMe support in the Bios…
Now to setup the OS on device.
Thanks Very much for your help on this, much appreciated.