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Common RefCode Configuration#

AMD version#

MMIO Above 4G Limit#

Set PCIe device aperture range to Auto/40/42/44/46/48 bits limit.

Possible options:

  1. Auto. Keeps the platform default settings. - Default.
  2. 40
  3. 42
  4. 44
  5. 46
  6. 48
WMI Setting name Values SVP or SMP Req'd AMD/Intel
MmioAbove4GLimit Auto, 40, 42, 44, 46, 48 Yes AMD

NUMA Nodes#

Whether to enable Non-Uniform Memory Access (NUMA).

Possible options:

  1. Auto - Default.
  2. NPS1
  3. NPS2
  4. NPS4
WMI Setting name Values SVP or SMP Req'd AMD/Intel
NUMA NPS1, NPS2, NPS4, Auto Yes AMD

Intel(R) version#

Displays and provides options to change the Common RefCode settings.

NUMA#

Enable or Disable Non Uniform Memory Access (NUMA).

Possible options:

  1. Enabled - Default.
  2. Disabled

Virtual NUMA#

Divide physical NUMA nodes into evenly sized virtual NUMA nodes in ACPI table. This may improve Windows performance on CPUs with more than 64 logical processors.

Possible options:

  1. Enabled
  2. Disabled - Default.