ASROCK P67 EXTREME4 - ACPI Configuration

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3.3.9 ACPI Configuration
Suspend to RAM
Use this item to select whether to auto-detect or disable the Suspend-to-
RAM feature. Select [Auto] will enable this feature if the OS supports it.
PS/2 Keyboard Power On
Use this item to enable or disable PS/2 keyboard to turn on the system
from the power-soft-off mode.
PCI Devices Power On
Use this item to enable or disable PCI devices to turn on the system from
the power-soft-off mode.
Ring-In Power On
Use this item to enable or disable Ring-In signals to turn on the system
from the power-soft-off mode.
RTC Alarm Power On
Use this item to enable or disable RTC (Real Time Clock) to power on the
system.