ACPI tables will be organized into a set of mandatory tables defined in this section and optional tables provided in the form of an SSDT.
The mandatory tables are composed of the minimum set of tables required to boot an ACPI compliant OS. These tables are intended to be present in Stage IV and later stages. The contents of these tables might differ based on build stage, it is described in the Table Contents sub-section.
The following tables fall under the mandatory tables list: 1. RSDP 2. RSDT/XSDT 3. FADT/FACS 4. DSDT 5. MADT 6. MCFG 7. HPET