Using the System Setup Program and UEFI Boot Manager 67
PCI IRQ Assignments Screen
Serial Communication Screen
OS Watchdog Timer
(Disabled default)
Aids recovery of the operating system, if your system
stops responding. If set to Enabled, the operating system
is allowed to initialize the timer.
I/OAT DMA Engine
(Disabled default)
Enables/disables the I/O Acceleration technology option.
Embedded Video
Controller
(Enabled default)
Enables/disables BIOS support for the Embedded Video
Controller.
SR-IOV-Global Enable
(Disabled default)
Enables/disables BIOS configuration of Single Root I/O
Virtualization (SR-IOV) devices.
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.
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.
Serial Port Address
(Serial Device 1=COM1,
Serial Device2=COM2
default)
Sets the serial port addresses for the two serial devices.
NOTE: Only Serial Device 2 can be used for Serial Over
LAN (SOL). To use console redirection by SOL, configure
the same port address for console redirection and the
serial device.
Option Description
book.book Page 67 Thursday, February 18, 2010 2:06 PM
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