Asus K8N-LR - Manual (Page 84)

4-30 Chapter 4: BIOS setup
4.5 Power menu
The Power menu items allow you to change the settings for the ACPI and
Advanced Power Management (APM) features. Select an item then press
to display the configuration options.
4.5.1 ACPI 2.0 Support [No]
Allows you to add more tables for Advanced Configuration and Power
Interface (ACPI) 2.0 specifications. Configuration options: [No] [Yes]
4.5.2 ACPI APIC Support [Enabled]
Allows you to enable or disable the Advanced Configuration and Power
Interface (ACPI) support in the Application-Specific Integrated Circuit
(ASIC). When set to Enabled, the ACPI APIC table pointer is included in the
RSDT pointer list. Configuration options: [Disabled] [Enabled]
Do not change the ACPI APIC support after you have installed the
operating system (OS), otherwise, a boot failure may occur.
4.5.3 ACPI MCFG Support [Enabled]
Allows you to enable or disable the Memory Mapped Configuration (MCFG)
support. When set to Enabled, the MCFG table pointer is included in the
RSDT pointer list. Configuration options: [Disabled] [Enabled]
Set the ACPI MCFG Support to Disable, when you install RedHat AS4.0 UP2
64 bit, Fedora Core 3 64 bit, Fedora Core 4 64 bit operation system, and
4 GB memory.
ACPI 2.0 Support [No]
ACPI APIC Support [Enabled]
ACPI MCFG Support [Enabled]
APM Configuration
Hardware Monitor
Select the ACPI state
used for System
Suspend.