• 3.3.4.1 Chipset > IIO Configuration > IIO0 Configuration
Feature
Options
Description
IOU2 (IIO PCIe Port 1)
x4x4
x8
Auto
Select PCIe port Bifurcation for selected slot(s)
IOU1 (IIO PCIe Port 3)
x4x4x4x4
x4x4x8
x8x4x4
x8x8
x16
Auto
Select PCIe port Bifurcation for selected slot(s)
Socket 0 PcieD02F0 – Port 2A
Submenu
Settings related to PCI Express Ports
(0/1A/1B/2A/2B/2C/2D/3A/3B/3C/3D)
Socket 0 PcieD02F2 – Port 2C
Submenu
Settings related to PCI Express Ports
(0/1A/1B/2A/2B/2C/2D/3A/3B/3C/3D)
Socket 0 PcieD03F0 – Port 3A
Submenu
Settings related to PCI Express Ports
(0/1A/1B/2A/2B/2C/2D/3A/3B/3C/3D)
Chipset > IIO Configuration > IIO0 Configuration > Socket 0 PcieD02F0 – Port 2A
Feature
Options
Description
Socket 0 PcieD02F0 – Port 2A
Info only
PCI-E Port
Auto
Enable
Disable
In auto mode the BIOS will remove the EXP port if
there is no device or errors on that device and the
device is not HP capable. Disable is used to disable
the port and hide its CFG space.
Hot Plug Capable
Disable
Enable
This option specifies if the link is considered Hot Plug
capable.
PCI-E Port Link
Enable
Disable
This option disables the link so that the no training
occurs but the CFG space is still active.
Link Speed
Auto
Gen1 (2.5 GT/s)
Gen2 (5 GT/s)
Gen3 (8 GT/s)
Override Max Link Wid
Auto
x1
x2
x4
x8
x16
Override the max link width that was set by bifurcation
PCI-E Port DeEmphasis
-6.0 dB
-3.5 dB
De-Emphasis control (LNKCON2[6]) for this PCIe port.
PCI-E Port Link Status
Info only
PCI-E Port Link Max
Info only
PCI-E Port Link Speed
Info only
PCI-E ASPM Support
Auto
Disable
L1 Only
This option enables / disables the ASPM (L1) support
for the downstream devices.
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