Menu Item

Description

NOTE: This option is displayed only if IDSDM is installed on the system board.

Integrated Network

Allows you to enable or disable the integrated network card 1. By default, the Integrated

Card 1

Network Card 1 option is set to Enabled.

OS Watchdog Timer

Allows you to enable or disable the OS watchdog timer. When this field is enabled, the

 

operating system initializes the timer and the OS watchdog timer helps in recovering the

 

operating system. By default, the OS Watchdog Timer option is set to Disabled.

I/OAT DMA Engine

Allows you to enable or disable the I/O Acceleration Technology (i/OAT) option. By default

 

I/OAT DMA Engine it is disabled.

Embedded Video

Allows you to enable or disable the Embedded Video Controller. By default, the embedded

Controller

video controller is Enabled.

SR-IOV Global Enable

Allows you to enable or disable the BIOS configuration of Single Root I/O Virtualization (SR-

 

IOV) devices. By default, the SR-IOV Global Enable option is set to Disabled.

Slot Disablement

Allows you to enable or disable available PCIe slots on your system. The Slot Disablement

 

feature controls the configuration of PCIe cards installed in the specified slot.

 

CAUTION: 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.

Serial Communications Screen

Menu Item

Description

Serial Communication

Allows you to select serial communication devices (Serial Device 1 and Serial Device 2) in the

 

BIOS. BIOS console redirection can also be enabled and the port address can be specified. By

 

default, Serial Communication option is set to On without Console Redirection.

Serial Port Address

Allows you to set the port address for serial devices. By default, the Serial Port Address option

 

is set to Serial Device 1=COM2, Serial Device 2=COM1.

 

NOTE: Only Serial Device 2 can be used for Serial Over LAN (SOL). To use console

 

redirection by SOL, configure the same port address for console redirection and the serial

 

device.

External Serial

Allows you to associate the external serial connector to serial device 1, serial device 2, or

Connector

remote access device. By default, the External Serial Connector option is set to Serial Device1.

 

NOTE: Only Serial Device 2 can be used for SOL. To use console redirection by SOL,

 

configure the same port address for console redirection and the serial device.

Failsafe Baud Rate

Displays the failsafe baud rate for console redirection. The BIOS attempts to determine the

 

baud rate automatically. This failsafe baud rate is used only if the attempt fails and the value

 

must not be changed. By default, the Failsafe Baud Rate option is set to 11520.

Remote Terminal

Allows you to set the remote console terminal type. By default, the Remote Terminal Type

Type

option is set to VT 100/VT 220.

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Dell E23S Series owner manual Serial Communications Screen