Using the System Setup Program and UEFI Boot Manager 49
PCI IRQ Assignments Screen
Serial Communication Screen
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
Serial Communication
(On without Console
Redirection default)
Selects whether the serial communication devices
(Serial Device 1 and Serial Device 2) are enabled in
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.
Option Description
book.book Page 49 Wednesday, March 3, 2010 10:37 AM
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