Dell DR4300e Owner's Manual page 52

Option Description
Embedded Video Enables or disables the Embedded Video Controller option. This option is set to
Controller Enabled by default.
Current State of Displays the current state of the embedded video controller. The Current State of
Embedded Video Embedded Video Controller option is a read-only field. If the Embedded Video
Controller 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 Enables or disables the BIOS configuration of Single Root I/O Virtualization (SR-
Enable IOV) devices. This option is set to Disabled by default.
OS Watchdog If your system stops responding, this watchdog timer aids in the recovery of your
Timer 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 Enables or disables the support for PCIe devices that need large amounts of
I/O above 4 GB memory. This option is set to Enabled by default.
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. Slots
must be disabled only when the installed peripheral card prevents booting into the
operating system or causes delays in system startup. If the slot is disabled, both the
Option ROM and UEFI drivers are disabled.
Related Links
Integrated Devices
Viewing Integrated Devices
Serial Communication
You can use the Serial Communication screen to view the properties of the serial communication port.
Related Links
Serial Communication details
System BIOS
Viewing Serial Communication
Viewing Serial Communication
To view the Serial Communication screen, perform the following steps:
1. Turn on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
NOTE: If your operating system begins to load before you press F2, wait for the system to finish
booting, and then restart your system and try again.
3. On the System Setup Main Menu screen, click System BIOS.
4. On the System BIOS screen, click Serial Communication.
Related Links
Serial Communication
Serial Communication details
Serial Communication details
The Serial Communication screen details are explained as follows:
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