User Manual
Page 67
ACPI HPET Table Enable the High Precision Event Timer for ACPI S3 power saving. PCIE Devices Power On Allow the system to be waked up by a PCIE device and enable wake on LAN. PS/2 Keyboard Power On Allow the system to be waked up by your operating system. 61 English Set it to By OS to let it be waked up by a PS/2 Keyboard. 4.4.5 ACPI Configuration B450M/ac Suspend to RAM It is recommended to select auto for better performance and to pass WHQL tests. RTC Alarm Power On Allow the system to be handled by the real time clock alarm.
ACPI HPET Table Enable the High Precision Event Timer for ACPI S3 power saving. PCIE Devices Power On Allow the system to be waked up by a PCIE device and enable wake on LAN. PS/2 Keyboard Power On Allow the system to be waked up by your operating system. 61 English Set it to By OS to let it be waked up by a PS/2 Keyboard. 4.4.5 ACPI Configuration B450M/ac Suspend to RAM It is recommended to select auto for better performance and to pass WHQL tests. RTC Alarm Power On Allow the system to be handled by the real time clock alarm.