DELL DL2100 User Manual

Page of 200
Using the System Setup Program and UEFI Boot Manager
63
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 
feature.
Embedded Video 
Controller
(Enabled default)
Enables or disables BIOS support for the integrated video 
controller.
NOTE: 
This field can be disabled only if an add-in video 
card is present. If this field is disabled, remote access 
features such as virtual KVM are not available.
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. 
Option
Description