46 Using the System Setup Program and UEFI Boot Manager
PCI IRQ Assignments Screen
Embedded Gb NICx
(NIC1 default: Enabled
with PXE;
Other NICs: Enabled)
Enables or disables the embedded NICs. Options are
Enabled, Enabled with PXE, and Enabled with iSCSI
Boot. PXE support allows the system to boot from the
network.
MAC Address Displays the MAC address for the NIC.
OS Watchdog Timer
(Disabled default)
Sets a timer to monitor the operating system for activity,
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
(Disabled default)
Enables or disables the I/O acceleration technology
(I/OAT). This feature should only be enabled if the
hardware and software support I/OAT.
Embedded Video
Controller
(Enabled default)
Displays the total amount of video memory available in
the embedded video controller.
Option Description
Embedded X-treme PCI
Adapter
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.
Option Description
book.book Page 46 Friday, January 6, 2012 2:11 PM