Manual
Page 54
... Type Soft-Off by PWR-BTTN PME Event Wake Up Power On by Ring Resume by a wake-up device or event, the system resumes to RAM) sleep state (default). If the power button is pressed for 4 seconds to enter the ACPI S1 (Power on Windows Vista operating system only. BIOS Setup...
... Type Soft-Off by PWR-BTTN PME Event Wake Up Power On by Ring Resume by a wake-up device or event, the system resumes to RAM) sleep state (default). If the power button is pressed for 4 seconds to enter the ACPI S1 (Power on Windows Vista operating system only. BIOS Setup...