Gigabyte GA-Z77X-UD5H Manual - Page 60

Power Management, AC BACK, Resume by Alarm, High Precision Event Timer

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Page 60 highlights

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. && 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. && ErP Determines whether to let the system consume less than 1W power in S5 (shutdown) state. (Default: Disabled) Note: When this item is set to Enabled, the following functions will become unavailable: PME event wake up, power on by mouse, power on by keyboard, and wake on LAN. && High Precision Event Timer (Note) Enables or disables High Precision Event Timer (HPET) for Windows 7 operating system. (Default: Enabled) (Note) Supported on Windows 7 operating system only. BIOS Setup - 60 -

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BIOS Setup
- 60 -
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.
±
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.
ErP
&
Determines whether to let the system consume less than 1W power in S5 (shutdown) state. (Default:
Disabled)
Note: When this item is set to
Enabled
, the following functions will become unavailable: PME event wake
up, power on by mouse, power on by keyboard, and wake on LAN.
High Precision Event Timer
&
(Note)
Enables or disables High Precision Event Timer (HPET) for Windows 7 operating system. (Default:
Enabled)
2-7
Power Management
(Note)
Supported on Windows 7 operating system only.