Acpi Configuration - ASROCK H87M-ITX User Manual

H87M-ITX

4.4.6 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.
Onboard LAN Power On
Allow the system to be waked up by a PCI device and enable wake on LAN.
RTC Alarm Power On
Allow the system to be waked up by the real time clock alarm. Set it to By OS to let
it be handled by your operating system.
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