Dell PowerEdge C8000 - Manual (Page 99)

Using the System Setup Program 99
PCI Slot Configuration Press <Enter> to configure PCI Express devices.
NOTE: When you install an Intel Xeon Phi card in the
C8220X sled, BIOS automatically enables the PCI memory
64-bit decode option.
PCIe Generation
(Gen3 default)
Select a PCI signaling rate.
• Gen1: 2.5 GT/s
• Gen2: 5 GT/s
• Gen3: 8 GT/s
VT for Direct I/O
(Disabled default)
Enables or disables Intel hardware virtualization
support.
SR-IOV Global Enable
(Disabled default)
Enables or disables BIOS configuration of Single Root
I/O Virtualization (SR-IOV) devices.
I/OAT DMA Engine
(Disabled default)
If set to Enabled, the I/O Acceleration Technology
(I/OAT) feature is enabled for network controllers that
support this technology.
Maximum Payload Size
(Auto default)
Sets the maximum payload size of the PCI Express
controller. Options are Auto, 128 bytes, and 256 bytes.
Embedded Video Controller
(Enabled default)
Enables or disables the onboard video controller.
NOTE: This option should always be set to Enabled. The
remote KVM function cannot function if set to disabled.
Video Enumeration
(Onboard default)
Select video controller enumeration type.
• 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)
Enables or disables the Windows Hardware Error
Architecture (WHEA) feature.
Perfmon and DFX Devices
(Disabled default)
Enables or disables the Perfmon devices (e.g. disk
usage, memory consumption, and CPU load) DFX
devices (such as a USB adaptor) installed in the system.
Option Description