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CrypticDan

Unable to set M.2 mode in BIOS

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Posted · Original PosterOP

I've recently installed a Crucial P2 M.2 NVMe SSD in my Asus Z390-A motherboard. The board has 2x M.2 slots, both support PCIe mode, but only one supports PCIe AND SATA mode. The PCIe only slot is already occupied by my boot drive (Crucial P1 NVMe SSD). The P2 drive is in the PCIe & SATA slot.

 

I'd like to make sure the P2 SSD is in PCIe mode and not SATA mode, unfortunately the option to set the mode doesn't appear in my BIOS. It's supposed to be under "Advanced> Onboard Devices Configuration> M.2 Configuration" but it isn't. The board manual say it's there, but I'm not seeing it. I updated from BIOS 0805 (came with the board when I purchased it) to the latest BIOS, ver. 1502 but the option still didn't appear, restoring default BIOS settings didn't help. The drive has only been initialised in Windows Disk Management and named 'Steam Drive' as it'll be my main game drive. It's detected in the BIOS under PCH Storage Configuration and also in Windows Explorer. I've tried enabling/ disabling any option that seems related to storage device in the BIOS but still no option. I've contacted Asus support about this but have not received any reply as of yet.

 

Images attached of the drive installed and the Onboard Devices Configuration page in the BIOS.

 

Any assistance or advice would be helpful, thanks.

DSC_1016.JPG

DSC_1020.JPG

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Do a sequential read and write test and if the numbers are nvme level then your good to go ;)


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12 minutes ago, CrypticDan said:

Any assistance or advice would be helpful, thanks

If it's an NVMe drive, it will use NVMe mode; if it's a SATA drive, it will use SATA mode. No options needed.


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You cannot make an NVMe drive run SATA mode, so no such option needed.


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Posted · Original PosterOP
3 hours ago, TofuHaroto said:

Do a sequential read and write test and if the numbers are nvme level then your good to go ;)

 

Ran CrystalDiskMark, got numbers that are close enough to the specs of the drive, all looks good, thanks :)

 

Although the write speed is significantly higher, a bit odd but I'm not complaining.

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