Unless your computer is pretty old, it probably uses UEFI (Unified Extensible Firmware Interface) to boot. The idea is that a bootloader picks up files from an EFI partition and uses them to start ...

I have a Supermicro X11SCL-IF, which has run TrueNAS for several years, UEFI booting off a pair of small SSDs. All the drives for the TrueNAS install are connected to the usual suspect, an LSI HBA in ...