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Taichi X370 and Samsung Evo 960 on second M2 slot

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DoctorCajon View Drop Down
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    Posted: 03 Jun 2017 at 3:07am
Hello,

does anyone know if it織s possible to put a Samsung Evo 960 500 GB on the second M.2 slot on the Taichi X370? I know it織s not on the support list, but according to the manual a PCI-e NVMe card should be good... I have tried two different ones, so I can exclude that the Samsung is defect. The 250 GB Evo is working perfectly on slot 1.

Even in the BIOS the 500 GB Evo does not show up on the second slot.

Thanks
The doctor
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MisterJ Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jun 2017 at 5:01am
DoctorCajon, I have a Fatal1ty X370 Professional Gaming and have EVO 960 SSDs in both M.2 sockets.  Both are 250 GB.  Don't know about your Taichi.  I would suggest you try swapping them.  I would not think size would matter.  Perhaps your M2_2 is defective.  Enjoy, John.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote parsec Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jun 2017 at 10:21am
Originally posted by DoctorCajon DoctorCajon wrote:

Hello,

does anyone know if it織s possible to put a Samsung Evo 960 500 GB on the second M.2 slot on the Taichi X370? I know it織s not on the support list, but according to the manual a PCI-e NVMe card should be good... I have tried two different ones, so I can exclude that the Samsung is defect. The 250 GB Evo is working perfectly on slot 1.

Even in the BIOS the 500 GB Evo does not show up on the second slot.

Thanks
The doctor


There seems to be some issue with the M2_2 slot on the X370 Taichi board for some users and some M.2 NVMe SSDs. Any NVMe SSD should be fine in any M.2 slot that supports M.2 PCIe SSDs, which the M2_2 slot on the X370 Taichi does support.

From the specifications of the X370 Taichi:

1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280 M.2 PCI Express module up to Gen2 x4 (20 Gb/s)

Note that the M2_2 slot does not provide the full PCIe 3.0 (Gen 3) x4 interface that the 960 EVO requires for full performance. That interface should not be causing the SSD to not be recognized as far as I know.

The M2_2 slot is using the chipset's PCIe 2.0 lanes, rather than the CPU's PCIe 3.0 lanes that are used with the M2_1 slot.

Did you try clearing the UEFI/BIOS when you installed the 960 EVO in the M2_2 slot?

If you boot into Windows, and start Disk Management, is the drive recognized when it is in the M2_2 slot? Assuming it has not yet been formatted.

Do you have anything in the PCIE5 slot? It is shared with the M2_2 slot.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DoctorCajon Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jun 2017 at 12:50pm
Didn't try to reset the BIOS. It's a complete fresh install. I have finished my build just yesterday. I can try to swap the 250 GB Evo from m2_1 to m2_2, didn't try it yet.

PCIe5 is empty. I have only a graphics card installed on the first full slot. Think it's slot 2 if I remember correctly. Also the 500 GB doesn't show up in Windows disk management, checked that already

I know it does not have full speed the disk has on m2_2, but this is ok. Should be same speed as a SSD on a SATA port. Should not matter for games as you don't recognize a difference between this two. Just wanted to minimize cable clutter in the case. :)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DoctorCajon Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jun 2017 at 2:24pm
Update: I now have swapped the 250 and 500 GB EVOs so that the 250 is now on m2_2 and the 500 GB on m2_1. And: It works! Nevertheless it's not ideal because I want to have the OS on the ultra m2 slot.

So I can now reinstall the OS on the 500 GB Evo and get a new SATA SSD for games or put the 500 GB onto the shelf and leave the 250 on slot 1 or if ASrock employees read along on the forum kindly request to fix this in a soonish BIOS Update and leave everything as it is now. I prefer the last option because I don't want to spend 200-300 bugs extra on my build for another SSD just because the board is buggy.

If needed I am willing to assist fixing the issue by providing more info and/or logs.
The BIOS version is 2.30

Thanks
Thomas

Edited by DoctorCajon - 03 Jun 2017 at 2:26pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jun 2017 at 2:50pm
You can inquire with Tech Support directly:

http://forum.asrock.com/forum_posts.asp?TID=5265&title=howto-contact-tech-support     (copy paste)

Include a link to this thread in your description. I am sure they will be able to help you out Thumbs Up


Before you make a support request though, maybe try switching the M.2 drives again now you know both slots actually work. Remember to clear CMOS. A drive could have been seated poorly etc. Try and rule out any other possibilities before getting in touch with Tech Support. I suspect the capacity of the 500gb drive is causing the hiccup though, that would mean a BIOS update would be needed as you mentioned. Still, worth checking out if you have not already.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DoctorCajon Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jun 2017 at 3:15pm
Thanks, already ruled out everything else. I have tried also 2 different 250 and 500GB EVOs on each m2 slot (I'm building the same config again for wifey). And the only combination not working is the 250 GB Evo on slot 1 and 500GB Evo on slot2. Either on BIOS version 1.6 the board shipped with, nor after updating to 2.3. Will contact tech support.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jun 2017 at 5:28pm
Good luck, let us know how it goes Thumbs Up
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Post Options Post Options   Thanks (0) Thanks(0)   Quote soleil14 Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jun 2017 at 7:33am
Did you find any solution?
I have the exact same problem. The only different is I have a SM961 256GB and a Plextor M8PE 500GB.
The only combination that works is Plextor 500GB on slot M2_1 and SM961 256GB on slot M2_2.
This is not perfect because the sm961 is faster.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DoctorCajon Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jun 2017 at 12:01pm
I have opened up a ticket at tech support. Until now I don't have another solution than swapping the SSD's. Not ideal for me, either.
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