Hello
Let us break this down into small steps if you do not mind.
In bios you select the Intel Sata ports (advanced menu) and enable RAID
F10 and enter to save and reboot
Ctrl-I to enter the Intel raid set up utility
Set your SSD to RAID 0
Save and enter
F8 to select OS medium for first boot.
Start the install process
When presented with upgrade or advance you select advanced
There you select your RAID array.
Install OS
Have I got it right so far?
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