Gigabyte GA-8EGXR User Manual page 35

} Wake Up Ring
Sy stem is w aken up w hen Moderm-Ring is on.
Enabled Enable Wake Up Ring. (Default Value)
8
Disabled Disable this function.
8
} System After AC Back
Sy stem pow er state w hen AC cord is re-plugged.
Pre-State Set system power to the last state when AC power is removed.
8
OFF Do not power on system when AC power is back. (Default Value)
8
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BIOS Setup