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Using the System Setup Program and UEFI Boot Manager 69
Integrated Devices Screen
Option Description
User Accessible USB Ports
(All Ports On default)
Enables or disables the user accessible USB ports.
Options are All Ports On, Only Back Ports On, and All
Ports Off.
Internal USB Port 1
(On default)
Enables or disables the internal USB port.
Internal USB Port 2
(On default)
Enables or disables the internal USB port.
Embedded NIC1 and
NIC2
Enables or disables the operating system interface of the
embedded NICs. The NICs may also be accessed through
the system's management controller.
Embedded Gb NICx
(NIC1 default: Enabled
with PXE;
Other NICs: Enabled)
Enables or disables the embedded NIC. 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.
book.book Page 69 Tuesday, June 9, 2009 4:09 PM