I bought a Beelink EQ14 and am trying to get RAID working on it.

I found these instructions:
https://buildin.ai/lizong/share/8b183d53-8dab-4a7e-ab67-2815026ee168

However, when I go into the BIOS, I do not see the OEM Features Management menu.

Is there a different menu I need to go to?