[HowTo] Get full NVMe Support for all Systems with an AMI UEFI BIOS

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I’m having trouble getting my Samsung 990 Pro to serve as the boot drive on my Asus Maximus V Extreme. The board sees the drive based on the bios mod, but for some reason I can’t get it to boot from it. Did I need both the NvmExpressDxe_5 and the Samsung_M2_DXE lines in the bios? The CSMCORE and both NvmExpressDXE and Samsung_M2_DXE are reflecting they are VOL 02. I’ve tried using Samsung Magician and Acronis True Image to clone my current Samsung 870 QVO SSD, but still not able to get the NVME to serve as the boot drive…and yes…I unplugged the 870. Is there some step I’m missing here?

Since the Samsung 990 Pro is an NVMe SSD and not a SATA AHCI one, it wouldn’t make any sense to insert the Samsung_M2_DXE module.

As long as the EFI Boot Sector named “Windows Boot Manager” hasn’t been created as a separate partition, the SSD is not shown within the BIOS as being bootable.
Please follow “Step 4” of my Guide to get it done.
Good luck!

Thanks @Fernando. Took some effort, but I was able to get it to work with a clean install. I had to use a third party software to transfer my files and apps. but it’s up and running. I did notice Samsung Magician showing the NVME drive as “locked”, but after a few restarts…all good now.

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Mmmh, I fell into the category of those people to whom the Pad-file was removed by the uefitool during the save operation. What do I do about it? I was patching latest BIOS file for the MSI B43-G85 motherboard.

Did the guide only mentioned UEFI tool method… look again.

As stated in the title of the thread this is a guide for AMI UEFI/LEGACY BIOS. What about other brands, such as HP?

AMI is a bios developer that provides bios platform programming for system manufacturers, not an OEM system brand like HP, Lenovo, Acer etc…
The guide is related to AMI UEFI Aptio Core based bios systems, not Phoenix, InsydeH2O or old legacy AMI8, AWARD6/Phoenix.

EDIT: No need to apologise… because you simply didnt understood anything of what i wrote…
So AGAIN… HP is a OEM system brand, AMI is bios brand/type.
We dont know your HP model so you dont know your bios type…
There are no specific mods for HP/Lenovo etc… the guide is specific for AMI bios types…
Let me know what part your having difficulties to understand…

Ok, thanks. Are there any guides to modify(nvme) HP bios?
My appolgies, if this is wrong thread!

HP EliteBook 840 G2
BIOS version M71_1.31

I figured out the reason for the misunderstanding: I wrote the first question a bit wrong. I perfectly understand the difference between AMI BIOS and OEM (creates its own hardware and software). I didn’t mean to imply that AMI is a hardware manufacturer brand, I was wondering if there is a thread on this forum where I could ask for help with modifying the BIOS specifically for HP brand products?
Specifically HP EliteBook 840 G2…
I have already apologized for writing in the wrong thread

You seemed to me rude…

8 posts were split to a new topic: [Request] NVMe Support for GA-EX58 UD3R

Why would one use the larger NvmExpressDxe_4.ffs (20.3 KB) if there’s full support in the NvmExpressDxe_Small.ffs (5.88 KB)?

Inquiring minds…

@hafizullah Welcome to the Win-Raid Forum!
We don’t offer anymore the v4 variant of the NVMe EFI module.
By the way - you can choose the module of your choice.
Good luck!
Dieter (alias Fernando)

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I’m already running the v4 variant, and it seems to be working perfectly. I was just wondering what the differences might be between the larger and smaller code modules.

Please read the related part of the start post. Your question has been fully answered there.

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I already read it. The narrative does not answer my question, so I’ll say it a different way: Is there any advantage, aside from a space saving, to running the Small driver over the larger one?

No - it is vice versa: If there is enough space within the DXE Driver Volume, it is recommended to insert the “normal” (bigger sized) NVMe module.

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