Manual
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... use this function, you need an ATX power supply providing at any time. S3(STR) Enables the system to enter the ACPI S3 (Suspend to RAM) sleep state (default). 2-7 Power Management Setup CMOS Setup Utility-Copyright (C) 1984-2011 Award Software Power Management Setup ACPI Suspend Type Soft-Off by Power button...
... use this function, you need an ATX power supply providing at any time. S3(STR) Enables the system to enter the ACPI S3 (Suspend to RAM) sleep state (default). 2-7 Power Management Setup CMOS Setup Utility-Copyright (C) 1984-2011 Award Software Power Management Setup ACPI Suspend Type Soft-Off by Power button...