Acer AT150 F1 - Manual (Page 99)

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ACPI Configuration
Use this feature to confi gure Advanced Confi guration and Power
Interface (ACPI) power management settings for your system.
Parameter Description Options
ACPI Aware O/S Select Yes to enable ACPI support for an
operating system that supports ACPI.
Select No to disable ACPI support for an
OS that does not support ACPI. Yes
No
ACPI Version
Features (Available
when ACPI Aware
OS is set to Yes) This feature is used to select the ACPI Version. The
options are ACPI v1.0, ACPI v2.0, and ACPI v3.0. Refer
to the website at http://www.acpi.info/ for details.
ACPI APIC Support
(Available when
ACPI Aware OS is
set to Yes) Select Enabled to include the ACPI APIC
Table Pointer in the RSDT (Root System
Description Table) pointer list. Enabled
Disabled
APIC ACPI SCI IRQ When this item is set to Enabled, APIC
ACPI SCI IRQ is supported by the system. Enabled
Disabled
Headless Mode
(Available when
ACPI Aware OS is
set to Yes) When this feature is set to Enabled, a
system will function without a keyboard,
monitor, or mouse attached. Enabled
Disabled
NUMA Support Select Enabled to use the feature of
Non-Uniform Memory Access to improve
CPU performance. Enabled
Disabled
High-Performance
Event Timer Select Enabled to activate the High-
Performance Event Timer (HPET) which
will produce periodic interrupts at a
much higher frequency than a Real-time
Clock (RTC) does in synchronizing
multimedia streams, providing smooth
playback and reducing the dependency
on other timestamp calculation devices,
such as an x86 RDTSC Instruction
embedded in the CPU. The High
Performance Event Timer is used to
replace the 8254 Programmable Interval
Timer. Enabled
Disabled