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
<Enter> 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.