Hi Fernando, I want to thank you for your step by step how to's. I followed your steps and got the module inserted (verified) into the bios v1201. for my asus P8Z77-I DELUXE, got it renamed & flashed without bricking my system. I now have *Pata showing as a boot choice in the boot priority menu. I have been trying to recover an arcronis C: drive image onto the NVMe from external usb ssd archive and boot to it. But have not got it to boot windows clone yet under W7. I could not yet get W10 to install to this 970 Evo either. It would not let me click through past the error flag. I don't know if there is a program to convert my backup of my existing MBR type boot C: drive image into the new GPT NVMe drive without converting the drive to MBR. I wonder if the Module should be placed so it shows in the AHIC/Raid menu? I'm hoping to get it to boot properly from this to squeeze another seven years relevance from solid old i7 I'm still hammering away trying. Getting Pata showing in the menu was encouraging. Thanks again for your tutorials. Cheers John

@Fernando Thank you. I've been using raid 0 systems since W95 days of adaptec raid cards. Cannot understand why oprom is not added natively to these pcie nvme adapter cards like it were on raid cards...
Yes i installed the MS hotfix driver, and samsung driver which increased speed as a data drive in W7. was careful to go into disk manager and convert to GPT, so noticed cloning existing OS to it converts drive to MBR, so converted back to GPT again/ I got the same W10 install errors i read someone else describe, im too loopy to describe it accurately tonight, must sleep. i tried install 10 from usb install media, and fresh install DVD, upgrade option, and fresh copy option, W10Install saw nvme drive, could delete volume, but not build or format. it said could not install to it. i don't yet know where to get cesnvme.inf driver file to install under windows during install. samsung driver comes as exe with installation files. May need to learn to slipstream the .exe? and hotfix into w10 installation. i'll keep trying. got another week to return the drive or keep it. thanks again,
cheers John

Zitat von Fernando im Beitrag #5354

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1. Which AMI MMTool version did you use?
2. Why didn't you insert the "normal" NvmExpressDxe_4.ffs module? The insertion of the uncompressed file works fine with the AMI MMtool v4.50.

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@Fernando Thanks for your guide - I'm trying to implement this on an Asus P8H61-I R2.0 and everything went smoothly up to the "afuwinx64.exe <NAME OF THE MODDED BIOS>.ROM /GAN" line where I got "3 - Error: ROM file size does not match existing BIOS size".
Here are the orig & mod files - what did I do wrong??? TIA.
https://drive.google.com/drive/folders/1...uhe?usp=sharing

Hi Fernando, i followed your (i need to say very good writen) guide step by step, i have successfully inserted the nvme module into bios and flashed it without any problem. I'm still not able to see the drive in bios or in Wininstaller.

My setup:
MB MSI X99S SLI PLUS
SSD Samsung 970 evo
Trying to install Win10

I can boot the new bios without any problems, but still cannot see the drive anywhere. PCH is set up to PciE and Sata mode is AHCI. The one and only slight problem in the process was that i had to rename the bios file, so i could see it in flash modus, but that renamed file was with the bios editing program able to be opened and without any changes.

Any suggestions what I'm doing wrong or should i move to the options which don't include modding bios?
As MSI Website says the board support Samsung 960 pro and evo m2 drives naturally with the newest bios, so it has to have some kind of support for NVMe.
Btw i cannot test the drive elsewhere.

Thanks for any help

@Fernando
That was of course the first thing i did. I used both 7885v1E and 788v1F2 but both of them but without any sucess. Maybe i´m missing some Setting in BIOS. The second idea is that i have used one PCIe x1 slot for Soundcard, but that should not steal the lanes for M2 (i mean with GPU are there 17 lanes occuppied ?).
I will try 7885v1E again and post the result :)

p.s. Thanks for really quick reply !

@Fernando
I do not how, but now it works. Removing PCIe HW is rather complicated in my setup (hardline watercooled PC- and i know that i should test the drive before installing the water cooling parts , at least i tested everything else). I managed in a ninja way to put out the soundcard and it still did not work. Than i just pulled out the NVMe drive und put it in again and it works just fine :D At my last attempt i reattached (again in a ninja way) the soundcard and it still works. In the end i have changed exactly nothing, but pulling the drive out worked somehow. Be my guest to guess how it is possible

Thank you very much for your help !