Using the System Setup Program | 101
Option
Description
PCIe Generation
(Gen3 default)
Sets the PCI signaling rate at Gen3 8.0/Gen2 5.0/Gen1
2.5 Gigabits bandwidth.
VT for Direct I/O
(Disabled default)
Enables/Disables I/O VTd Error.
SR-IOV Global Enable
(Disabled default)
Enables/Disables BIOS support for SRIOV devices.
I/OAT DMA Engine
(Disabled default)
Enables/Disables the I/O Acceleration Technology
(I/OAT) DMA Engine option. This feature should be
enabled only if the hardware and software support
I/OAT.
Maximum Payload Size
(Auto default)
Auto – Auto detects the PCI-E maximum payload size.
128 Bytes – Sets the PCI-E maximum payload size to
128 Bytes.
256 Bytes – Sets the PCI-E maximum payload size to
256 Bytes.
Embedded Video Controller
(Enabled default)
Enabled - The embedded video controller is enabled,
and it is the primary video device.
Disabled - The embedded video controller is disabled.
Video Enumeration
(Onboard default)
Onboard - The onboard video controller is used for
boot-time messages. Add-in - The first add-in video
controller is used for boot-time messages. Depending
on the BIOS search order and system slot layout.
WHEA Support
(Disabled default)
Disables/Enables Windows Hardware Error
Architecture
Perfmon and DFX Devices
(Disabled default)
Selects enabled if devices 8 and 9, function2 and 6 if
CPUBUSN(0) are desired to be visible.
Reboot on WOL (ROW)
Reboot On WOL targeted at network controllers when