Asus P5B SE - Manual (Page 86)

4-2 Chapter 2: BIOS setup
4.5 Power menu
The Power menu items allow you to change the settings for the Advanced
Power Management (APM). Select an item then press to display the
configuration options.
4.5.1 Suspend Mode [Auto]
Allows you to select the Advanced Configuration and Power Interface (ACPI) state
to be used for system suspend. Configuration options: [S (POS) only] [S3 only]
[Auto]
4.5.2 ACPI Version Features [ACPI v1.0]
Allows you to select the Advanced Configuration and Power Interface (ACPI)
version supported. Configuration options: [ACPI v.0] [ACPI v2.0] [ACPI v3.0]
4.5.3 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]
Suspend Mode [Auto]
ACPI Version Features [ACPI v1.0]
ACPI APIC Support [Enabled]
APM Configuration
Hardware Monitor
IRQ-xx assigned to [PCI Device]
When set to [PCI Device], the specific IRQ is free for use of PCI/PnP devices.
When set to [Reserved], the IRQ is reserved for legacy ISA devices. Configuration
options: [PCI Device] [Reserved]