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 <Enter> 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].