Gigabyte GA-X79-UD5 User Manual - Page 56

Power Management, AC BACK, Power On By Keyboard, Resume by Alarm, ACPI Sleep State

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2-7 Power Management && AC BACK Determines the state of the system after the return of power from an AC power loss. Always Off The system stays off upon the return of the AC power. (Default) Always On The system is turned on upon the return of the AC power. Memory The system returns to its last known awake state upon the return of the AC power. && Power On By Keyboard Allows the system to be turned on by a PS/2 keyboard wake-up event. Note: you need an ATX power supply providing at least 1A on the +5VSB lead. Disabled Disables this function. (Default) Any Key Press any key to turn on the system. Keyboard 98 Press POWER button on the Windows 98 keyboard to turn on the system. && Resume by Alarm Determines whether to power on the system at a desired time. (Default: Disabled) If enabled, set the date and time as following: Wake up day: Turn on the system at a specific time on each day or on a specific day in a month. Wake up hour/minute/second: Set the time at which the system will be powered on automatically. Note: When using this function, avoid inadequate shutdown from the operating system or removal of the AC power, or the settings may not be effective. && ACPI Sleep State Specifies the ACPI sleep state when the system enters suspend. S1(CPU Stop Clock) Enables the system to enter the ACPI S1 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. BIOS Setup - 56 -

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BIOS Setup
- 56 -
AC BACK
&
Determines the state of the system after the return of power from an AC power loss.
Always Off
The system stays off upon the return of the AC power. (Default)
±
Always On
The system is turned on upon the return of the AC power.
±
Memory
The system returns to its last known awake state upon the return of the AC
±
power.
Power On By Keyboard
&
Allows the system to be turned on by a PS/2 keyboard wake-up event.
Note: you need an ATX power supply providing at least 1A on the +5VSB lead.
Disabled
Disables this function. (Default)
±
Any Key
Press any key to turn on the system.
±
Keyboard 98
Press POWER button on the Windows 98 keyboard to turn on the system.
±
Resume by Alarm
&
Determines whether to power on the system at a desired time. (Default: Disabled)
If enabled, set the date and time as following:
Wake up day: Turn on the system at a specific time on each day or on a specific day in a month.
±
Wake up hour/minute/second: Set the time at which the system will be powered on automatically.
±
Note: When using this function, avoid inadequate shutdown from the operating system or removal of the
AC power, or the settings may not be effective.
ACPI Sleep State
&
Specifies the ACPI sleep state when the system enters suspend.
S1(CPU Stop Clock)
Enables the system to enter the ACPI S1 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.
2-7
Power Management