Acpi Configuration - ASROCK Z390 Phantom Gaming 4S User Manual

4.6.6 ACPI Configuration

Suspend to RAM
Select disable for ACPI suspend type S1. It is recommended to select auto for ACPI
S3 power saving.
ACPI HPET Table
Enable the High Precision Event Timer for better performance and to pass WHQL
tests.
PS/2 Keyboard S4/S5 Wakeup Support
Allow the system to be waked up by a PS/2 Keyboard.
PCIE Devices Power On
Allow the system to be waked up by a PCIE device and enable wake on LAN.
I219 LAN Power On
Allow the system to be waked up by I219 LAN.
Ring-In Power On
Allow the system to be waked up by onboard COM port modem Ring-In signals.
RTC Alarm Power On
Allow the system to be waked up by the real time clock alarm. Set it to By OS to let
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