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PCIe Setup#

PCIe Setup PCIe Setup

Re-Size BAR Support

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

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.

Options:

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

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

Options:

  1. Disabled – Default.
  2. Auto.
WMI Setting name Values SVP / SMP Req'd AMD/Intel
ASPMSupport Disabled, Auto Yes Both
Link Training Timeout(uS)

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

Options:

  1. 1000 – Default.
  2. Simulator not support.

PCIe Slot{X} Configuration#

PCIe Configuration

PCIe Port

Select whether to enable or disable this PCIe port.

Options:

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

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

PCIe Port Bifurcationt

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

Options:

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

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

Link Speed

Select PCEi Link Speed.

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

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

M.2 Slot{X} Configuration#

M2 Slot Config

Link Speed

Select PCIe Link Speed.

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

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

MCIO Slot{X}-{Y} Configuration#

MCIO Slot Config

Link Speed

Select PCIe Link Speed.

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

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