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PCIe Setup#

General#

Re-Size BAR Support#

If system has Resizable BAR capable PCIe Devices, this option Enables or Disables Resizable BAR Support.

Possible options:

  1. Disabled – Default.
  2. Enabled
WMI Setting name Values SVP / SMP Req'd AMD/Intel
ReSizeBARSupport Enabled, Disabled Yes Both

SR-IOV Support#

If system has SR-IOV capable PCIe Devices, this option Enables or Disables Single Root IO Virtualization Support.

Possible options:

  1. Disabled – Default.
  2. Enabled
WMI Setting name Values SVP / SMP Req'd AMD/Intel
SRIOVSupport Enabled, Disabled Yes Both

ASPM Support#

  • Auto – Configure ASPM automatically according to what the attached device supports in each PCI Express port.
  • Disabled – Disable ASPM support of all PCI Express ports.

Possible options:

  1. Disabled – Default.
  2. Auto
WMI Setting name Values SVP / SMP Req'd AMD/Intel
ASPMSupport Disabled, Auto Yes Both

Defines number of Microseconds software will wait before polling 'Link Training' bit in Link Status register. Value range from 10 to 10000 uS.

Possible options:

  1. 1000 – Default.
  2. (any number between 10 and 10000)

PCIe Slot{X} Configuration#

PCIe Port#

Select whether to enable or disable this PCIe port.

Possible options:

  1. Enabled – Default.
  2. Disabled
WMI Setting name Values SVP / SMP Req'd AMD/Intel
PCIeSlotXPort Enabled, Disabled Yes Both

Attention

In the WMI class name, X represents the slot number.

PCIe Port Bifurcation#

Select PCIe port bifurcation. If select Auto, system will auto configure PCIe port bifurcation and auto detect Quad M.2 PCIe Card.

Possible options:

  1. Auto – Default.
  2. x4x4x4x4
  3. x8x8
  4. x16
WMI Setting name Values SVP / SMP Req'd AMD/Intel
PCIeSlotXBifurcation Auto, x4x4x4x4, x8x8, x16 Yes Both

Attention

In the WMI class name, X represents the slot number.

Select PCIe Link Speed.

Possible options:

  1. Auto – Default.
  2. Gen 1 (2.5 GT/s)
  3. Gen 2 (5 GT/s)
  4. Gen 3 (8 GT/s)
  5. Gen 4 (16 GT/s)
WMI Setting name Values SVP / SMP Req'd AMD/Intel
PCIeSlotXLinkSpeed Auto, Gen 1 (2.5 GT/s), Gen 2 (5 GT/s), Gen 3 (8 GT/s), Gen 4 (16 GT/s) Yes Both

Attention

In the WMI class name, X represents the slot number.

Enables the Data Link Feature for this PCIe slot.

Possible options:

  1. Enabled – Default.
  2. Disabled
WMI Setting name Values SVP / SMP Req'd AMD/Intel
PcieSlotXDataLinkFeature Enable, Disable Yes Both

Attention

In the WMI class name, X represents the slot number.

M.2 Slot{X} Configuration#

Select PCIe Link Speed.

Possible options:

  1. Auto – Default.
  2. Gen 1 (2.5 GT/s)
  3. Gen 2 (5 GT/s)
  4. Gen 3 (8 GT/s)
  5. Gen 4 (16 GT/s)
  6. Gen 5 (32 GT/s)
WMI Setting name Values SVP / SMP Req'd AMD/Intel
M2SlotXLinkSpeed Auto, Gen 1 (2.5 GT/s), Gen 2 (5 GT/s), Gen 3 (8 GT/s), Gen 4 (16 GT/s), Gen 5 (32 GT/s) Yes Both

Attention

In the WMI class name, X represents the slot number.

MCIO Slot{X}-{Y} Configuration#

Select PCIe Link Speed.

Possible options:

  1. Auto – Default.
  2. Gen 1 (2.5 GT/s)
  3. Gen 2 (5 GT/s)
  4. Gen 3 (8 GT/s)
  5. Gen 4 (16 GT/s)
  6. Gen 5 (32 GT/s)
WMI Setting name Values SVP / SMP Req'd AMD/Intel
MCIOSlotXYLinkSpeed Auto, Gen 1 (2.5 GT/s), Gen 2 (5 GT/s), Gen 3 (8 GT/s), Gen 4 (16 GT/s), Gen 5 (32 GT/s) Yes Intel

Attention

In the WMI class name, X & Y represents the slot numbers.