User Manual
Page 79
Set it to By OS to let it be waked up by your operating system. 73 English 4.4.4 ACPI Configuration X570 Steel Legend Suspend to RAM It is recommended to be waked up by a PCIE device and enable wake on LAN. RTC Alarm Power On Allow the system to be waked up by a PS/2 Keyboard in S4/S5. PCIE Devices Power On Allow the system to be handled by the real time clock alarm. PS/2 Keyboard S4/S5 Wakeup Support Allow the system to select auto for ACPI S3 power saving.
Set it to By OS to let it be waked up by your operating system. 73 English 4.4.4 ACPI Configuration X570 Steel Legend Suspend to RAM It is recommended to be waked up by a PCIE device and enable wake on LAN. RTC Alarm Power On Allow the system to be waked up by a PS/2 Keyboard in S4/S5. PCIE Devices Power On Allow the system to be handled by the real time clock alarm. PS/2 Keyboard S4/S5 Wakeup Support Allow the system to select auto for ACPI S3 power saving.