Dell R710 owner manual PCI IRQ Assignments Screen, Serial Communication Screen

Option	Description
OS Watchdog Timer	Sets a timer to monitor the operating system for activity,
(Disabled default)	and aids in recovery if the system stops responding.
	When Enabled, the operating system is allowed to
	initialize the timer. When Disabled, the timer is not
	initialized.
	NOTE: This feature is usable only with operating systems
	that support WDAT implementations of the Advanced
	Configuration and Power Interface (ACPI) 3.0b
	specification.
I/OAT DMA Engine	Enables or disables the I/O Acceleration Technology
(Disabled default)	feature.
Embedded Video	Enables or disables BIOS support for the integrated video
Controller	controller.
(Enabled default)	NOTE: This field can be disabled only if an add-in video
	card is present. If this field is disabled, remote access
	features such as virtual KVM are not available.

PCI IRQ Assignments Screen

Option	Description
<PCIe device>	Use the <+> and <-> keys to manually select an IRQ
	for a given device, or select Default to allow the BIOS to
	select an IRQ value at system startup.

Serial Communication Screen

Option	Description
Serial Communication	Selects whether the serial communication devices
(On without Console	(Serial Device 1 and Serial Device 2) are enabled in
Redirection default)	BIOS. BIOS console redirection can also be enabled and
	the port address used can be specified.
	Options are On without Console Redirection, On with
	Console Redirection via COM1, On with Console
	Redirection via COM2, and Off.

Using the System Setup Program and UEFI Boot Manager

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