How to remove raid from Supermicro server

There are the following steps.

First, change the SATA mode to RAID mode; after the server computer is turned on, we repeatedly press the "DEL" key to enter the motherboard BIOS interface, switch to "Advanced".

Modify the configure SATA as option to "RAID"; there are two chips in the motherboard's SATA port, SATA and sSATA, if your hard disk is connected to the SATA interface, modify the SATA/sSATA RAID Boot Select option to "SATA". If your hard drive is connected to a SATA interface, change the SATA/sSATA RAID Boot Select option to "SATA Controller" and press F4 to save the settings.