Dell Precision 7920 Rack Owner's Manual

The Integrated Devices screen details are explained below.

Menu Item

Description

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, 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.

NOTE:Selecting Only Back Ports On and All Ports Off will disable the USB management port and also restrict access to iDRAC features.

Internal USB Port

Enables or disables the internal USB port. By default, the option is set to On.

iDRAC Direct USB Port

iDRAC Direct USB Port managed by iDRAC exclusively with no host visibility. When set to off iDRAC would not detect any USB device installed. Option is set to On

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.

Embedded Video Controller

Enables or disables the Current state of Embedded Video Controller . By default the option Disabled. Current 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.

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

Current State of Embedded Video Controller

Displays the current state of the Embedded Video Controller. Current State of Embedded Video Controller is a read only field, indicating the current state for the Embedded Video Controller

SR-IOV Global Enable

Enables or disables the BIOS configuration of Single Root I/O Virtualization (SR-IOV) devices. By default, the SR-IOV Global Enable option is set to Disabled.

OS Watchdog Timer

If your system stops responding, this watchdog timer aids in the recovery of your operating system. When this field 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 I/O above 4GB

Enables or disables the support for PCIe devices that require large amounts of memory. By default, the option is set to Enabled.

Lower Memory Mapped I/O base to 512GB

When set to enabled system will map MMIO base to 512 GB and reduce the maximum support for memory to less than 512 GB.

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. Slot 1 Boot Driver
   • Enabled (default)
   • Disabled
   • Boot Driver Disabled
2. Slot 2 Boot Driver
   • Enabled (default)
   • Disabled
   • Boot Driver Disabled
3. Slot 3 Boot Driver
   • Enabled (default)
   • Disabled
   • Boot Driver Disabled
4. Slot 4 Boot Driver
   • Enabled (default)
   • Disabled
   • Boot Driver Disabled
5. Slot 5 Boot Driver
   • Enabled (default)
   • Disabled
   • Boot Driver Disabled
6. Slot 6 Boot Driver
   • Enabled (default)
   • Disabled
   • Boot Driver Disabled

Slot Bifurcation

1. Slot 1 Bifurcation
   • x16 Bifurcation (default)
2. Slot 2 Bifurcation
   • x4 Bifurcation
   • x8 Bifurcation (default)
3. Slot 3 Boot Driver
   • x4 Bifurcation
   • x8 Bifurcation (default)
4. Slot 4 Boot Driver
   • x16 Bifurcation (default)
5. Slot 5 Boot Driver
   • x4 Bifurcation
   • x8 Bifurcation (default)
6. Slot 6 Boot Driver
   • x4 Bifurcation
   • x8 Bifurcation (default)