Serial Communication Screen - Dell DSS 1500 Owner's Manual

Option Description
Embedded NIC1
and NIC2
Enables or disables the Embedded NIC1 and NIC2 option. If set to Disabled, the
NIC may still be available for shared network access by the embedded
management controller. The embedded NIC1 and NIC2 option is only available on
systems that do not have Network Daughter Cards (NDCs). This option is mutually
exclusive with the Integrated Network Card 1 option. Configure this function by
using the NIC management utilities of the system.
I/OAT DMA Engine Enables or disables the I/OAT option. Enable only if the hardware and software
support the feature.
Embedded Video Allows you to enable or disable the Embedded Video Controller. This option is set
Controller to 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 require large amounts of
I/O above 4GB 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. Slot
disablement must be used 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.

Serial Communication screen

You can use the Serial Communication screen to view the properties of the serial communication port.
To view the Serial Communication screen, click System Setup Main Menu → System BIOS → Serial
Communication.
The Serial Communication screen details are explained as follows:
Option Description
Serial Selects serial communication devices (Serial Device 1 and Serial Device 2) in BIOS.
Communication BIOS console redirection can also be enabled and the port address can be
specified. This option is set to Auto by default.
Serial Port Enables you to set the port address for serial devices. This option is set to Serial
Address Device 1=COM2, Serial Device 2=COM1 by default.
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NOTE: The Embedded NIC1 and NIC2 option is only available on systems that
do not have Integrated Network Card 1.