Question: How can I remap M2_3 slot and other M.2 slots to configure a PCIE SSD RAID on Z490 Taichi?(6/1/2020) Answer: Please make sure to use identical PCIE SSDs that are the same type and volume.
Follow the steps below to adjust the BIOS settings to configure the PCIe RAID.
STEP 1. Enter the UEFI Setup Utility by pressing or < Del > hotkey during the post screen.
STEP 2. Go to Advanced -> Storage Configuration and set SATA Mode Selection to [RAID Mode].
STEP 3. Go to Boot -> CSM and set Launch Storage OpROM policy to [UEFI only].
STEP 4. Adjust the M.2 slots - RST PCie Storage Remapping that you've installed PCIE SSDs to [Enabled]. Press to save the settings and exit setup.
STEP 5. Go to Advanced -> USB Configuration and set Third Party USB 3.2 Controller to [Disabled]. Press to save the configuration changes and exit setup. Caution: After disabling the Third Party USB3.2 Controller, the onboard Type-C port will be turned off.
STEP 6. Enter Intel(R) Rapid Storage Technology in Advanced page.
STEP 7. Select the option Create RAID Volume and press .
STEP 8. Key-in a volume name and press , or simply press to accept the default name.
STEP 9. Select your desired RAID Level and press .
STEP 10. Select the target hard drives which you want to build in RAID array and press .
STEP 11. Select a stripe size for the RAID array and press .
STEP 12. Select Create Volume and press to start creating the RAID array.