BIOS Advanced Menu Memory Configuration Options

The following table describes the BIOS Advanced Menu memory configuration option.

Setup Option	Options	Defaults	Description
Numa	Enabled/Disabled	Enabled	Enable or disable Non Uniform Memory Access (NUMA).
MMIO High Granularity Size	1G/4G/16G/64G/256G/1024G	256G	Selects the allocation size used to assign memory-mapped I/O (MMIO) resources. Total MMIO space can be up to 32x granularity.
Volatile Memory Mode	1LM/2LM/Auto	Auto	Selects whether 1LM or 2LM memory mode should be enabled for Data Center Persistent Memory Modules (DCPMMs).
DDR4 2933MHZ Support	Disabled/Enabled	Disabled	Enable or disable DDR4 2933MHZ support.