Asus K8U-X - Manual (Page 60)

Chapter 2: BIOS Setup 2-24
Suspend Mode [Auto] Select the ACPI state
Repost Video on S3 Resume [No] used for System
ACPI 2.0 Support [No] Suspend.
ACPI APIC Support [Enabled]
APM Configuration
Hardware Monitor
2.5 Power Menu
The Power menu items allow you to change the settings for the Advanced
Power Management (APM) feature. Select an item then press to
display the configuration options.
2.5.1 Suspend Mode [Auto]
Allows you to select the ACPI state to be used for system suspend.
Configuration options: [S1 (POS) Only] [S3 Only] [Auto].
2.5.2 Repost Video on S3 Resume [No]
Determines whether to invoke VGA BIOS POST on S3/STR resume.
Configuration options: [No] [Yes].
2.5.3 ACPI 2.0 Support [No]
Allows you to add more tables for ACPI 2.0 specifications. Configuration
options: [No] [Yes].
2.5.4 ACPI APIC Support [Enabled]
Enables or disables the ACPI support in the ASIC. When set to Enabled,
the ACPI APIC table pointer is included in the RSDT pointer list.
Configuration options: [Disabled] [Enabled].