For hardware raid the box would need a raid controller. If one is If it is a server the BIOS wouldn't normally have a option to disable it as it is normally its own SAS card. According to that video for LSI it might be ctrl + H However I found a. Download lenovo Controller, RAID, SATA, SAS, SCSI, iSCSI drivers for LSI // SAS RAID Card Driver for Windows - ThinkServer Line Utility Driver for Linux and Microsoft Windows OS - ThinkServer TS, TS drivers. Lenovo ThinkServer RAID i Adapter - storage controller (RAID) - SATA / SAS 12Gb/s - PCIe x8. Insight # 4XC0G, Mfr. # 4XC0G, UNSPSC.