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Chapter 6: BIOS
89
IIO Configuration
IIO Configuration
EV DFX Features
When this feature is set to Enable, the EV_DFX Lock Bits that are located on a proces-
sor will always remain clear during electric tuning. The options are
Disable
and Enable.
CPU1 Configuration
IOU0 (IIO PCIe Br1)
This item configures the PCI-E port Bifuraction setting for a PCI-E port specified by the
user. The options are x4x4x4x4, x4x4x8, x8x4x4,
x8x8
, x16, and Auto.
IOU1 (IIO PCIe Br2)
This item configures the PCI-E port Bifuraction setting for a PCI-E port specified by the
user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and
Auto
.
IOU2 (IIO PCIe Br3)
This item configures the PCI-E port Bifuraction setting for a PCI-E port specified by the
user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and
Auto
.
P1_NVMe0
Link Speed
Use this feature to select the link speed for the PCIe port. The options are
Auto
,
Gen 1 (2.5 GT/s), Gen 2 (5 GT/s), and Gen 3 (8 GT/s).
PCI-E Port Link Status
PCI-E Port Link Max
PCI-E Port Link Speed
PCI-E Port Clocking
The options are Distinct and
Common
. If this item is set to Distinct, this component
and the component at the opposite end of the Link are operating with separate refer-
ence clock sources. If this item is set to Common, this component and the component
at the opposite end of the Link are operating with a common clock source.