Question
X12SPL-F; install an AOC carrier for 2 * NVME drives, but my windows cannot detect those drives.
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Answer
Checked and found SUMSUNG NVME drives used. AOC installed in slot-5.

Please follow instructions below to adjust BIOS configuration.
Reboot system to BIOS setting page >> Advanced >> Chipset Configuration >> Northbridge >> IIO Configuration 
>> CPU Configuration >> IOU0/1/3/4 (IIO PCIe Port 1/2/4/5) and toggle IIO Port-5 to x4x4x4x4 

Then, ESC return back to BIOS page >> Advanced
Enter PCIE/PCI/Pnp COnfiguration Toggle NVME Firmware Resource from Vendor Defined FW to AMI NATIVE
Save & Exit 

Note,
Reboot to OS to confirm drives listed in Disk Drives folder under Device Manager
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FAQ ID:
44937
Related Category / Keyword:
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Date Posted:
03/27/26
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