Forum - RE: [Discussion] How to get a Samsung SM951 M.2 SSD (AHCI variant) bootable?

#76 | RE: [Discussion] How to get a Samsung SM951 M.2 SSD (AHCI variant) bootable? datum

Thu Sep 10, 2015 10:30 am

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#77 | RE: [Discussion] How to get a Samsung SM951 M.2 SSD (AHCI variant) bootable? datum

Thu Sep 10, 2015 10:37 am

@ PatrickKoller:

Thanks for the screenshot, which verifies, that your SM951 is indeed bootable.
For unknown reasons the boot manager cannot be found while booting.

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#78 | RE: [Discussion] How to get a Samsung SM951 M.2 SSD (AHCI variant) bootable? datum

Thu Sep 10, 2015 10:41 am

That brings us back to BIOS, am I right?

Meanwhile a big thank you for all your help and the very fast answers!

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#79 | RE: [Discussion] How to get a Samsung SM951 M.2 SSD (AHCI variant) bootable? datum

Thu Sep 10, 2015 11:05 am (Last edited: Thu Sep 10, 2015 11:08 am)

So I'm just comparing the Modules of the IV BlackEdition and the V Extreme BIOSes:

RAMPAGE-V EXtreme BIOS:

PciRootBridge
PciDxelnit
PciPlatform
PciOutOfResourceSetupPage
PcieLaneDXE
PcieLaneInit
PciBus
PcieSataController

RAMPAGE-IV BlackEdition BIOS:

PciBus
PciRootBridge

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#80 | RE: [Discussion] How to get a Samsung SM951 M.2 SSD (AHCI variant) bootable? datum

Thu Sep 10, 2015 11:19 am

Zitat von PatrickKoller im Beitrag #103
That brings us back to BIOS, am I right?

Yes, the BIOS obviously cannot find anymore the previously detected Windows Boot Manager, which is on the SM951.
These are the possible reasons:
a) The Boot Manager of the SM951 got corrupted.
b) The BIOS has big problems to detect the SM951 automaticly.
If it should be a), you may be able to repair the SM951 own Boot Manager by running the tool EasyBCD, but if it should be b), you will need other or additional EFI modules within your mainboard BIOS.

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MB: ASRock X570 Pro4, CPU: AMD Ryzen 5 3600, System Drive: 500 GB Samsung 980 Pro, Graphics: Sapphire Radeon RX570, OS: Win10 x64 Pro
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#81 | RE: [Discussion] How to get a Samsung SM951 M.2 SSD (AHCI variant) bootable? datum

Thu Sep 10, 2015 11:42 am

Me personaly I think that it is rather b) because the SM951 was never shown in BIOS or Bootmenu from the beginning.
But could you explain method a) a bit further? And in this case what do I have to look for to not damage the Boot Manager on the SM951 again while formating?

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#82 | RE: [Discussion] How to get a Samsung SM951 M.2 SSD (AHCI variant) bootable? datum

Thu Sep 10, 2015 12:04 pm

Zitat von PatrickKoller im Beitrag #106
Me personaly I think that it is rather b) because the SM951 was never shown in BIOS or Bootmenu from the beginning.

As all other users of a Samsung SM951 you will never see the name "Samsung SM951" within the BIOS, because you cannot boot into this SSD in LEGACY mode. All bootable disks running in UEFI mode are listed with the exact same name "Windows Boot Manager". So you have to find out yourself, which bootable disk is meant by the name "Windows Boot Manager".

Zitat
But could you explain method a) a bit further? And in this case what do I have to look for to not damage the Boot Manager on the SM951 again while formating?

No formatting is needed. The tool named EasyBCD is able to see all boot sectors of your system, to change the boot priority and to repair an existing, but not working Windows Boot Manager.
You can try the tool without any risk as long as you don't change anything. The only risk I see is, that you may destroy your currently used boot sector by choosing a wrong setting. So be careful with any changes.

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MB: ASRock X570 Pro4, CPU: AMD Ryzen 5 3600, System Drive: 500 GB Samsung 980 Pro, Graphics: Sapphire Radeon RX570, OS: Win10 x64 Pro
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#83 | RE: [Discussion] How to get a Samsung SM951 M.2 SSD (AHCI variant) bootable? datum

Thu Sep 10, 2015 12:21 pm

Ok, I just run it as administrator and then hit BCD Backup/Reparatur or something else?

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#84 | RE: [Discussion] How to get a Samsung SM951 M.2 SSD (AHCI variant) bootable? datum

Thu Sep 10, 2015 2:02 pm

@ PatrickKoller:
This is what you can do:
1. Download and install the latest version of EasyBCD. It is v2.3 Beta Build 202.
2. Run the tool and hit the buttons "View Settings" and "Edit Boot Menue".
3. If you don't see any entry regarding drive G, you may hit the "Add New Entry" button and add it.

Warning: You will do it at own risk. I m not really sure, if EasyBCD really can modify the UEFI Bootloader.

My current System:
MB: ASRock X570 Pro4, CPU: AMD Ryzen 5 3600, System Drive: 500 GB Samsung 980 Pro, Graphics: Sapphire Radeon RX570, OS: Win10 x64 Pro
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If you are satisfied with my Forum activities, you can send a donation to my personal PayPal account by clicking onto >this< link.

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#85 | RE: [Discussion] How to get a Samsung SM951 M.2 SSD (AHCI variant) bootable? datum

Thu Sep 10, 2015 2:21 pm (Last edited: Thu Sep 10, 2015 2:34 pm)

hmmm, I don't see the point in this. because when i restart i still must select a bootdevice in BOOT MENU (F8).
Only after I selected a bootable device from that page the next page with new created bootloader from EasyBCD is loaded...

So if I disconnect everything except the SM951 and reboot I can't even reach the BCD bootloader!
Instead I get this message: "Reboot and Select proper Boot device or Insert Boot Media in selected Boot device and press a key."

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#86 | RE: [Discussion] How to get a Samsung SM951 M.2 SSD (AHCI variant) bootable? datum

Thu Sep 10, 2015 2:37 pm

@ PatrickKoller:
If you should have changed the BCD settings by using EasyBCD (by adding a Boot Manager on drive G), you should not unplug the currently attached drives.
Then power on your computer, hit F8 and look, if there are now 2 "Windows Boot Manager" entries. If yes, choose one of them and look, what happens. If you are booting again into you currently used OS, reboot, hit F8 again and try the other option.

My current System:
MB: ASRock X570 Pro4, CPU: AMD Ryzen 5 3600, System Drive: 500 GB Samsung 980 Pro, Graphics: Sapphire Radeon RX570, OS: Win10 x64 Pro
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If you are satisfied with my Forum activities, you can send a donation to my personal PayPal account by clicking onto >this< link.

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#87 | RE: [Discussion] How to get a Samsung SM951 M.2 SSD (AHCI variant) bootable? datum

Thu Sep 10, 2015 2:48 pm

In my Boot Menu (F8) there is no such thing as a "Windows Boot Manager" entry.

It looks like this:

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#88 | RE: [Discussion] How to get a Samsung SM951 M.2 SSD (AHCI variant) bootable? datum

Thu Sep 10, 2015 2:59 pm

Zitat von PatrickKoller im Beitrag #112
In my Boot Menu (F8) there is no such thing as a "Windows Boot Manager" entry.

Then you obviously have disabled the UEFI Boot options within the BIOS.
As long as you don't change the BIOS settings to "UEFI compatible" or "clean UEFI" (CSM disabled), the Samsng SM951 boot manager cannot be detected.

My current System:
MB: ASRock X570 Pro4, CPU: AMD Ryzen 5 3600, System Drive: 500 GB Samsung 980 Pro, Graphics: Sapphire Radeon RX570, OS: Win10 x64 Pro
Donation Link:
If you are satisfied with my Forum activities, you can send a donation to my personal PayPal account by clicking onto >this< link.

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#89 | RE: [Discussion] How to get a Samsung SM951 M.2 SSD (AHCI variant) bootable? datum

Thu Sep 10, 2015 3:17 pm (Last edited: Thu Sep 10, 2015 4:24 pm)

Zitat von Fernando im Beitrag #113
Then you obviously have disabled the UEFI Boot options within the BIOS.
As long as you don't change the BIOS settings to "UEFI compatible" or "clean UEFI" (CSM disabled), the Samsng SM951 boot manager cannot be detected.

No that's not true in my case! That picture was with "Boot device" -> "UEFI and Legacy"; PCI -> "UEFI first". When I set it to "UEFI only" or disable CSM completely in BIOS the BOOT MENU is empty!

As I said before: BIOS and BOOT MENU are not seeing the SM951.

These were the settings of the first picture:

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#90 | RE: [Discussion] How to get a Samsung SM951 M.2 SSD (AHCI variant) bootable? datum

Thu Sep 10, 2015 3:36 pm

And when I disable CSM or set it to UEFI only:

BOOT Menu looks like this:

When i click on "Setup" this happens:

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