Chapter 6: BIOS
85
IIO Configuration
EV DFX (Device Function On-Hide) Features
When this feature is set to Enable, the EV_DFX Lock Bits that are located in a processor
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 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 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 Bifuraction setting for a PCI-E port specified by the user.
The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and
Auto
.
P1_NVMe0
P1_NVMe1
AOC-2UR68-M2TS SLOT1
AOC-2UR68-M2TS SLOT2
AOC-2UR68-M2TS SLOT3
(For the five menus above, the following options)
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 Max Payload Size
Select Auto for the system BIOS to automatically set the maximum payload value for a
PCI-E device to enhance system performance. The options are 128B, 256B, and
Auto
.
