Question m.2 ssd not showing up in bios

Jul 31, 2019
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I recently purchased an Adata M.2 nvme ssd and its not showing up in my bios.
The thing is i dont want that as a my primary boot option. I already have an sata ssd that is my boot drive.
The M.2 installed in M.2_1 which is the primary slot.
The M.2 shows up in windows and ive activated it as a storage device, I just want to make it so i can run it at pcie x4. Or is it just not possible if i dont activate it as primary boot device.

MB: Asus b450 f strix gaming
CPU: Ryzen 5 1600x
 
It says m.2 but does not have anything posted under it. But in my on board devices in my pcie16_3 control, there is something detected and I can run x4 but nothing is in that slot. When I click m.2_1 control it only gives me AUTO and SATA56. Which I already know to disable SATA56.