Sorry, I am really in the run to new premises for my business and decided same time upgrade PC to the desired standard... I work about 14 ha a day, and trying to keep my business alive same time... my apologies & thank you!!!! And ... did you notice the success of modding to NVMe? Last time, with ep45t, Lost-N-Bios was so helpful, but now I can not see him active...

@Fernando:
Is there any way i can comfirm that there is a efi boot partition ?
yes i unplugged all other drives but no change
Last night i tried making a new usb with rufus and with your same settings but still same problem
I deleted all partitions on the drive and created a new partition (the installer made 4 partitions on the drive) and still same result
i tried bios with both the full nvme and the small file with same exact results
Btw the drive showed up as pa when first flash and no installed OS on the nvme, but when i installed OS it changed to pata but still only in legacy + uefi

also: when i open bios in uefi tool i get error message saying PE32 image with invalid DOS signature, does this affect anything ?

There is something strange... when I turned on Raid for other disks, the SSD is sometimes appearing sometimes not, it shows I tried to install windows10 from the win 7 system and from cd nothing worked... I formatted SSD within the setup, and there is still note that this partition will be not bootable in my system, the install is finalizing but after restart error. Must get pictures and update this post...
I am busy with creating "Cash flow chart for credit purposes... Good, I can start other systems to work on it :)
Be back soon.

Zitat von Fernando im Beitrag #1

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If not already done, you can now insert the NVMe SSD resp. its M.2> PCIe adapter into the M.2 port resp. PCIe slot, which offers the best possible performance and doesn't share the PCI lanes with other devices (please look into your mainboard manual).Important: The "BOOT" section of the UEFI BIOS and the shortcut to the "Bootable Devices" will not show the NVMe SSD, although it may be bootable! After having installed the NVMe supporting OS in UEFI mode onto the PCIe/M.2 connected SSD, you will see the new bootable system drive listed as "Windows Boot Manager".

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There was a firmware update for this particular P1 SSD, I managed to implement it.

During setup



I had connected Marvell 91xx SATA 6G Controller (second SATA controller on this board)
with two disks attached
and
Standard AHCI 1.0 Serial ATA Controller (I have in one PCIx slot for DVD ROMs in my busy system)
with 2 DVD ROMs attached.

when I was previously trying to install a system with removed all from Marvell and only DVD
I were getting the note that windows will not install as SSD is not bootable,

hmm... just writing this response, I realized that maybe I shall use Rufus USB install option
and remove all disks and DVD ROMs,
probably this is the way to do it, as CD image from Crucial burned to CD did not start (it is on UBUNTU) upgrade firmware,
Rufus USB with this image did it on override system boot with the UEFI option for the USB dongle.

This is all for now.
I have to work beside solving PC problems :)
I mentioned it some times almost have no time to sleep nowadays.
...but just woke up from Sunday present I made to myself, late afternoon 3 h nap...
But as far as I experienced this upgrade there is a really big plot to destroy all older hardware and windows systems.
I spoke to Crucial Technical help and they "confirm" that this SSD will never be visible in Windows7 (I played "fool" with them a bit").

Thank You, Fernando,
now will prepare Rufus, and will unscrew Asmedia from slot :)
(about these bios settings: they were OK no fast boot nor compatibility)

PS.: Maybe when I got 4e error on startup I should override boot with ?UEFI SSD option?
as for installing from Rufus firmware update?

Yea will do now. I have install image for Win10 ready-made from Windows/Microsoft tool. So making Rufus is just a moment.

After the whole night and many tests... I am close to the finish. Both Acronis for Crucial and Makrium can not help clone to this SSD Win7 system... Acronis seems restricted for Win7, all times problem with drivers... I expected this. Acronis can not start media it is creating also, does not work from the regular system. Makrium wants to copy disk to disk instead single partition destroying Uefi structure... hehehehehe I did try once and ZONK!... had to install one more win 10, at this time switching off both SATA controllers in BIOS was enough and Asmedia 2 port controller for DVD ROMs was no problem. So Only Classic method left, copy Partition to SSD and edit all: serial, MountedDevices in the registry, EasyBCD, hide and change letters for partitions to synchronize all systems... and check what will be the result. I wish I have this much € as times I restarted systems for this night... :)
I did similar operations with manual cloning so many times in my life that doing it as a robot... IRST 15.9 works excellent :) speed and accuracy, not yet with write buffer but soon :) (Note: I have UPS :) just for clearance that I am not a moron). Here in West Ireland power supply is really bad quality: momentary shortages, differences in voltage and unexpected switch offs are almost every day. I hear my UPS changing to supply from the battery a couple of times every day...

The NVMx is alive system migrated with some UEFI problems...
Win7 runs as F1... I am connecting now from it with all soft and hardware sound :)
Windows 10 is just temporary and will be removed as I will upgrade Win 7 now...
tired as hell I go sleep now :)

@Fernando:
The error appers both with the modded and original bios file
https://www.dropbox.com/l/scl/AADE4bRaQy...9q2SEwOn62Nv8Z0

thanks a lot !