Z87 Extreme4

4.4.7 ACPI Configuration

Suspend to RAM

Select disable for ACPI suspend type S1. It is recommended to select auto for ACPI S3 power saving.

Check Ready Bit

Enable to enter the operating system after S3 only when the hard disk is ready, this is recommended for better system stability.

ACPI HPET Table

Enable the High Precision Event Timer for better performance and to pass WHQL tests.

PS/2 Keyboard Power On

Allow the system to be waked up by a PS/2 Keyboard.

PCI Devices Power On

Allow the system to be waked up by a PCI device and enable wake on LAN.

Wake From Onboard LAN

Allow the system to be waked up by the Onboard Intel I217V LAN.

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ASRock Z87 Extreme4 manual Acpi Configuration