User Manual
Page 71
PS/2 Keyboard Power On Allow the system to be waked up by a PS/2 Keyboard. RTC Alarm Power On Allow the system to be waked up by the real time clock alarm. PCIE Devices Power On Allow the system to select auto for better performance and to let it to By OS to pass WHQL tests. 4.4.6 ACPI Configuration B450M Pro4 Suspend to RAM It is recommended to be waked up by a PCIE device and enable wake on LAN. Set it be handled by your operating system. 65 English ACPI HPET Table Enable the High Precision Event Timer for ACPI S3 power saving.
PS/2 Keyboard Power On Allow the system to be waked up by a PS/2 Keyboard. RTC Alarm Power On Allow the system to be waked up by the real time clock alarm. PCIE Devices Power On Allow the system to select auto for better performance and to let it to By OS to pass WHQL tests. 4.4.6 ACPI Configuration B450M Pro4 Suspend to RAM It is recommended to be waked up by a PCIE device and enable wake on LAN. Set it be handled by your operating system. 65 English ACPI HPET Table Enable the High Precision Event Timer for ACPI S3 power saving.