Dell R510 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)	(I/OAT). This feature should only be enabled if the
	hardware and software support I/OAT.
Embedded Video	Displays the total amount of video memory available in
Controller	the embedded video controller.
(Enabled default)

PCI IRQ Assignments Screen

Option	Description
Embedded X-treme PCI	Use the <+> and <-> keys to manually select an IRQ
Adapter	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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