ASRock B85M-ITX User Manual - Page 76

ACPI Configuration, Suspend to RAM, Check Ready Bit, ACPI HPET Table, PS/2 Keyboard Power

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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. PCI Devices 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. 72 English

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72
English
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 aſter 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.
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.