Using the System Setup Program and UEFI Boot Manager 65
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.
Embedded Video 
Controller
(Enabled default)
Enables or disables BIOS support for the Embedded Video 
Controller.
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.
External Serial Connector
(Serial Device1 default)
Specifies whether Serial Device 1, Serial Device 2, 
or Remote Access Device has access to the external 
serial connector.
NOTE: Only Serial Device 2 can be used for SOL. To use 
console redirection by SOL, configure the same port 
address for console redirection and the serial device.
Option Description
R415HOM.book  Page 65  Friday, September 24, 2010  9:37 AM