x370 Pro4 Crucial P1 NVMe not recognized

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   Updated to the latest BIOS (5.40) and my m.2 NVMe SSD is not recognized. It was not recognized on the old BIOS version either.

I have another SSD in SATA port 1 but from reading the manual that shouldn't be a problem. 

The new drive is not recognized in Windows or the UEFI tool

The new drive is a Crucial P1 NVMe PCIe 2280 Gen3 x4 SSD.

It's installed in M2_1 (the extreme slot)

Ryzen 5 1600
16GB 3200Mhz RAM
GTX 1060 6GB

x370 Pro4 mobo

Any idea what I'm doing wrong here?

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daronspence Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 05 Mar 2019 Status: Offline Points: 7	Post Options Post Reply Quote daronspence Report Post Thanks(0) Quote Reply Topic: x370 Pro4 Crucial P1 NVMe not recognized Posted: 05 Mar 2019 at 6:30am
	Updated to the latest BIOS (5.40) and my m.2 NVMe SSD is not recognized. It was not recognized on the old BIOS version either. I have another SSD in SATA port 1 but from reading the manual that shouldn't be a problem. The new drive is not recognized in Windows or the UEFI tool The new drive is a Crucial P1 NVMe PCIe 2280 Gen3 x4 SSD. It's installed in M2_1 (the extreme slot) Ryzen 5 1600 16GB 3200Mhz RAM GTX 1060 6GB x370 Pro4 mobo Any idea what I'm doing wrong here?

daronspence Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 05 Mar 2019 Status: Offline Points: 7	Post Options Post Reply Quote daronspence Report Post Thanks(0) Quote Reply Posted: 06 Mar 2019 at 4:48am
	bump

xhue Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 17 Aug 2018 Status: Offline Points: 634	Post Options Post Reply Quote xhue Report Post Thanks(0) Quote Reply Posted: 06 Mar 2019 at 6:11am
	Well, it should have been picked up by the system. That much is for sure. Did you try clearing CMOS? Did you try the other M.2 slot?

daronspence Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 05 Mar 2019 Status: Offline Points: 7	Post Options Post Reply Quote daronspence Report Post Thanks(0) Quote Reply Posted: 06 Mar 2019 at 6:15am
	I did not try clearing the CMOS. Would the other M.2 slot work even if the drive is NVMe? I thought only M2_1 was tied to the 4x PCIe lanes?

daronspence Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 05 Mar 2019 Status: Offline Points: 7	Post Options Post Reply Quote daronspence Report Post Thanks(0) Quote Reply Posted: 06 Mar 2019 at 6:23am
	I just tried clearing the CMOS and nothing appears to happen... was it supposed to clear all of the BIOS settings as well? (my RAM still shows the 3200MHz XMP profile as active) I'm tempted to just take it back to the store and get a SATA M.2. The extra speed is not terribly important to me.

daronspence Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 05 Mar 2019 Status: Offline Points: 7	Post Options Post Reply Quote daronspence Report Post Thanks(0) Quote Reply Posted: 06 Mar 2019 at 6:55am
	Oh my, this is embarrassing. When I went to swap the M.2 to the second slot to test things, I noticed that it seemed to sit more snug in the slot than it was in the original. Recognizing I might have found the problem, I removed the drive and reseated in the original slot. It lives! I have seen many installation videos for M.2 drives but never done it myself, and the orientation of my custom case hanging on the wall, makes it a pain to take down off the wall so my reference for installation was different compared to what you see in most videos. Now I know...M.2 drives need to be firmly seated in the slot! Thanks for your help xhue