Dell Precision 7920 Rack Owner's Manual page 105

The Integrated Devices screen details are explained below.
Menu Item Description
User Accessible Enables or disables the USB ports. Selecting Only Back Ports On disables the front USB ports, selecting All Ports
USB Ports Off disables all USB ports, selecting All Ports Off (Dynamic) disables all USB ports during P.O.S.T. The USB
keyboard and mouse operates 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.
Internal USB Port Enables or disables the internal USB port. By default, the option is set to On.
iDRAC Direct USB iDRAC Direct USB Port managed by iDRAC exclusively with no host visibility. When set to off iDRAC would not
Port detect any USB device installed. Option is set to On
Integrated Network Enables or disables the integrated network card.
Card 1
I/OAT DMA Engine Enables or disables the I/OAT option. Enable only if the hardware and software support the feature.
Embedded Video Enables or disables the Current state of Embedded Video Controller . By default the option Disabled. Current
Controller State of Embedded Video Controller is a read only field, indicating the current state for the Embedded Video
Controller. 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 Disabled.
Current State of Displays the current state of the Embedded Video Controller. Current State of Embedded Video Controller is a
Embedded Video read only field, indicating the current state for the Embedded Video Controller
Controller
SR-IOV Global Enables or disables the BIOS configuration of Single Root I/O Virtualization (SR-IOV) devices. By default, the SR-
Enable IOV Global Enable option is set to Disabled.
OS Watchdog If your system stops responding, this watchdog timer aids in the recovery of your operating system. When this field
Timer is set to Enabled, the operating system is allowed to initialize the timer. When the option is set to Disabled (the
default), the timer will have no effect on the system.
Memory Mapped Enables or disables the support for PCIe devices that require large amounts of memory. By default, the option is
I/O above 4GB set to Enabled.
Lower Memory When set to enabled system will map MMIO base to 512 GB and reduce the maximum support for memory to less
Mapped I/O base to than 512 GB.
512GB
Slot Disablement Enables or disables the available PCIe slots on your system. The Slot Disablement feature controls the
configuration of PCIe cards installed in the specified slot. Slot disablement must be used only when the installed
peripheral card is preventing booting into the operating system or causing delays in system startup. If the slot is
disabled, both the Option ROM and UEFI driver are disabled.
This field controls the configuration of the card installed in the slot. You can set one of the following options for
each of the .....(Press F1 for more information)
1
NOTE: Selecting Only Back Ports On and All Ports Off will disable the USB management port and also
restrict access to iDRAC features.
NOTE: 1. If the embedded video controller is DISABLED in BIOS and if you launch the Virtual Console
from the iDRAC, the Virtual Console Viewer is blank.
NOTE: 2. All monitors must be plugged into the GPU at power on, and must remain plugged into the
GPU until the system is booted into the operating system with the driver loaded. Once the system is
booted into the operating system the monitor can be unplugged, and then hot plugged. The monitor will
not be hot pluggable unless this process is followed.
• DP cable can be hot plugged
• mDP cable can be hot plugged
• DVI cable can be hot plugged
• DP to VGA dongle cable cannot be hot plugged
Slot 1 Boot Driver
BIOS and UEFI 105