Asus M4N78-AM - Manual (Page 37)

Chapter 2: BIOS information 2-13
2.5.2 ACPI 2.0 Support [Disabled]
Allows you to add additional tables as per Advanced Configuration and Power Interface
(ACPI) 2.0 specifications. Configuration options: [Disabled] [Enabled]
2.5.3 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]
2.5.4 APM Configuration
Restore on AC Power Loss [Power Off]
When set to Power Off, the system goes into off state after an AC power loss. When set to
Power On, the system goes on after an AC power loss.
Configuration options: [Power On] [Power Off] [Last State]
Power On By PCI/PCIE Device [Disabled]
When set to [Enabled], this parameter allows you to turn on the system through a PCI/PCIE
card. This feature requires an ATX power supply that provides at least 1A on the +5VSB lead.
Configuration options: [Disabled] [Enabled]
Power On By Ring [Disabled]
Enable or disable RI to generate a wake event. Configuration options: [Disabled] [Enabled]
Power On By PS/2 KB/MS [Disabled]
Enable or disable PS/2 Keyboard/Mouse to generate a wake event.
Configuration options: [Disabled] [Enabled]
Power On By RTC Alarm [Disabled]
Allows you to enable or disable RTC to generate a wake event. When this item is set to
Enabled, the items RTC Alarm Date, RTC Alarm Hour, RTC Alarm Minute, and RTC Alarm
Second appear with set values. Configuration options: [Disabled] [Enabled]
2.5.1 Suspend Mode [Auto]
Allows you to select the Advanced Configuration and Power Interface (ACPI) state to be used
for system suspend. Configuration options: [S1 (POS) Only] [S3 Only] [Auto]
[S1(POS) Only] - Enables the system to enter the ACPI S1 (Power on Suspend) sleep
state In S1 sleep state, the system appears suspended and stays in a low power mode. The
system can be resumed at any time.
[S3 Only] - Enables the system to enter the ACPI S3 (Suspend to RAM) sleep state (default).
In S3 sleep state, the system appears to be off and consumes less power than in the S1
state. When signaled by a wake-up device or event, the system resumes to its working state
exactly where it was left off.
[Auto] - Detected by OS.