User Manual
Page 75
... device. PS/2 Keyboard S4/S5 Wakeup Support Allow the system to be waked up by a PS/2 Keyboard in Power State S5. 69 English 4.4.4 ACPI Configuration B550 Phantom Gaming 4 Suspend to RAM It is shut down.
... device. PS/2 Keyboard S4/S5 Wakeup Support Allow the system to be waked up by a PS/2 Keyboard in Power State S5. 69 English 4.4.4 ACPI Configuration B550 Phantom Gaming 4 Suspend to RAM It is shut down.