Question When installing Ubuntu on 4124GS-TNR with onboard Marvell SATA RAID 1, I got an error "Executing 'grub-install /dev/sda' failed. This is a fatal error." Answer Installing Ubuntu with SATA RAID 0/1 on 4124GS-TNR needs to modify BIOS setting as following for support. (BIOS v2.0) 1. Boot option -> Dual (Marvell 88SE9230 only support Legacy mode.) 2. Onboard SAS OPROM -> Legacy 3. Onboard Video OPROM -> Legacy 4. IOMMU -> Disable Was this FAQ helpful? YES      NO Enter Comments Below: Note: Your comments/feedback should be limited to this FAQ only. For technical support, please send an email to support@supermicro.com.  Enter your email address below if you'd like technical support staff to reply:  Please type the Captcha (no space) E 9 D 6 FAQ Stats FAQ ID Related Category / Keyword Date Posted Code 33907 N/A 03/23/21     Print Answer