Dell E11S manual PCI IRQ Assignments Screen, NIC2

Option	Description
Embedded NIC1 and	Enables or disables the operating system interface of the
NIC2	NIC1 and NIC2 controllers. (The NICs may also be
(Enabled default)	accessed through the system’s management controller).
Embedded Gb NIC1	PXE support allows the system to boot from the network.
(Enabled with PXE	Enabled with iSCSI Boot option is available if the NIC
default)	on board supports iSCSI.
MAC Address	Displays the MAC address for the NIC.
Embedded Gb NIC2	PXE support allows the system to boot from the network.
(Enabled default)	Enabled with iSCSI Boot option is available if the NIC
	on board supports iSCSI.
MAC Address	Displays the MAC address for the NIC.
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.
Embedded Video	Enables or disables BIOS support for the integrated
Controller	video controller.
(Standard 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.

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Using the System Setup Program and Boot Manager