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LevelsAndMaps
Level 2
20 17 0 6
Message 1 of 3
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Booting Windows from NVMe - with UEFI stick

HP Recommended
z620, z420
Microsoft Windows 10 (64-bit)

You will be able to boot OS from NVME (I'm using 970EVO) using the full UEFI 2015 build.

Steps required:
1. Get the UEFI 2015 build
2. Add the NVME Drivers to it (I made a folder named EFI\Drivers) and renamed the file to a shorter name - Nvm.efi
3. Customize your startup.nsh script to load the drivers and boot the OS (see below)
4. Put the cooked EFI on a bootable stick, which will always stay in the machine (I use a 512Mb one, really old 😛 )
5. Modify BIOS so it boots from USB

 

How I customize startup.nsh with the script:

echo step1
connect -r
set -v efishellmode 1.1.2
map -u
echo step 2
load fs0:\EFI\Drivers\Nvm.efi
echo step2
map -u
echo step3
fs1:\EFI\boot\bootx64.efi

where fs0 = bootable stick
fs1 = Samsung 970 Evo 😉


Or, if you're in a rush:
Here's the final EFI build (you might need to change the fs** numbers, based on what you have going on in your machine)
https://drive.google.com/drive/folders/1muN3k_eXJ2PcZfDWtWEmpG0ga-nUVNxv?usp=sharing

Tested on:
Z620 + 970Evo
z420 + XPG SX8200 (by Hmseb)

 

My numbers (z620 + 970EVO)
image.png

 

Regards,
LevelsAndMaps

2 REPLIES 2
DGroves
Level 11
4,494 4,477 409 938
Message 2 of 3
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HP Recommended

I believe the UDK15 file he previous poster is refering to is found on this site:

 

https://github.com/tianocore/tianocore.github.io/wiki/UDK2015

 

under the UDK2015 downloads section click on:

 

UDK2015 Branch in github

 

hope this helps people wanting to try his pre modded boot script

posternutbag
New member
1 1 0 1
Message 3 of 3
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HP Recommended

Genius.  Got it working within minutes.  I was confused about how to identify the correct fs#, so I just went with your default fs1 and it worked!  Basically didn't even have to modify the script.  Thanks so much.  You have no idea how much you've helped my mental state-- I was flip-flopping with which non-native NVMe machine my Samsung 950 would end up in, but you solved it for me by ruling out my z420!

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