H12DSi-N6/H12DSi-NT6 Motherboard User's Manual
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Onboard NVMe4 Option ROM
Select which firmware function is to be loaded for onboard NVMe4. The options include
Disabled and
EFI
.
Onboard Video Option ROM
Select Legacy to boot the system using a legacy video device installed on the motherboard.
The options include Disabled and
EFI
CPU Slot1 PCI-E 4.0 x8 Bifurcation
This setting selects the PCIe slot bifurcation for the stated slot number. The options include
Auto
and
x4x4.
CPU Slot2 PCI-E 4.0 x8 Bifurcation
This setting selects the PCIe slot bifurcation for the stated slot number. The options include
Auto
x16, x8x8, x4x4x8, x4x4x4x4.
CPU Slot3 PCI-E 4.0 x8 Bifurcation
This setting selects the PCIe slot bifurcation for the stated slot number. The options include
Auto
and
x4x4.
CPU Slot4 PCI-E 4.0 x8 Bifurcation
This setting selects the PCIe slot bifurcation for the stated slot number. The options include
Auto
x16, x8x8, x4x4x8, x4x4x4x4.
CPU Slot5 PCI-E 4.0 x8 Bifurcation
This setting selects the PCIe slot bifurcation for the stated slot number. The options include
Auto
and
x4x4.
CPU Slot6 PCI-E 4.0 x8 Bifurcation
This setting selects the PCIe slot bifurcation for the stated slot number. The options include
Auto
x16, x8x8, x4x4x8, x4x4x4x4.
USB Configuration
Legacy USB Support
Select Enabled to support onboard legacy USB devices. Select Auto to disable legacy support
if there are no legacy USB devices present. Select Disable to have all USB devices available
for EFI applications only. The options are
Enabled
, Disabled and Auto.
XHCI Hand-Off
This is a work-around solution for operating systems that do not support XHCI (Extensible
Host Controller Interface) hand-off. The XHCI ownership change should be claimed by the
XHCI driver. The options are
Enabled
, and Disabled.