The Integrated Devices screen details are explained as follows:
Option
Description
USB 3.0 Setting
Enables or disables the USB 3.0 support. Enable this
option only if your operating system supports USB 3.0. If you disable
this option, devices operate at USB 2.0 speed. USB 3.0 is enabled
by default.
User Accessible USB Ports
Enables or disables the USB ports. Selecting Only Back Ports On disables the front USB ports, selecting All Ports Off disables all USB ports. The USB keyboard
and mouse operate during boot process in certain operating systems.
After the boot process is complete, the USB keyboard and mouse do
not work if the ports are disabled.
NOTE:Selecting Only Back Ports On and All Ports Off disables the USB management port and also restricts access to iDRAC
features.
Internal USB Port
Enables or disables the internal USB port. This option
is set to Enabled by default.
Integrated RAID Controller
Enables or disables the integrated RAID controller.
This option is set to Enabled by default.
Integrated Network Card 1
Enables or disables the integrated network card.
I/OAT DMA Engine
Enables or disables the I/OAT option. Enable only
if the hardware and software support the feature.
I/O Snoop Holdoff Response
Selects the number of cycles PCI I/O can withhold
snoop requests from the CPU, to allow time to complete its own write
to LLC. This setting can help improve performance on workloads where
throughput and latency are critical.
Embedded Video Controller
Enables or disables the Embedded Video
Controller option. This option is set to Enabled by default.
Current State of Embedded Video Controller
Displays the current state of the embedded video controller.
The Current State of Embedded Video Controller option is a read-only field. If the Embedded Video Controller is
the only display capability in the system (that is, no add-in graphics
card is installed), then the Embedded Video Controller is automatically
used as the primary display even if the Embedded Video
Controller setting is set to Disabled.
SR-IOV Global Enable
Enables or disables the BIOS configuration of Single
Root I/O Virtualization (SR-IOV) devices. This option is set to Disabled by default.
OS Watchdog Timer
If your system stops responding, this watchdog timer
aids in the recovery of your operating system. When this option is
set to Enabled, the operating system initializes
the timer. When this option is set to Disabled (the default), the timer does not have any effect on the system.
Memory Mapped I/O above 4 GB
Enables or disables the support for PCIe devices that
need large amounts of memory. This option is set to Enabled by default.
Mezzanine Slot Disablement
The Slot Disablement feature controls the configuration
of mezzanine cards installed in the specified slots. Only mezzanine
card slots that are present on your system are available for control.
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