2 advanced acpi configuration sub-menu, 3 chipset acpi configuration sub-menu – Kontron KTC5520-EATX User Manual
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5.1.4.6.2
Advanced ACPI Configuration sub-menu
5.1.4.6.3
Chipset ACPI Configuration sub-menu
Feature
Options
Description
Setup Help
ACPI Version Features
ACPI v1.0
ACPI v2.0
ACPI v3.0
Version 1.0 only supports RSDP pointers to 32-
bit Fixed System Description Tables.
Version 2.0 enables RSDP pointers to 64-bit
Fixed System Description Tables.
Version 3.0 improves processor, PCI Express
and SATA support.
Enable RSDP pointers
to 64-bit Fixed System
Description Tables.
Different
ACPI version has some
addition.
NUMA Support
Enabled
Disabled
Enable/Disable NUMA (Non-Uniform Memory
Access) support.
Enable : Efficiently
execute software
for NUMA aware OS.
Disable : Better
memory access
performance for
non-NUMA OS.
Feature
Options
Description
Setup Help
Energy Lake Feature
Enabled
Disabled
Energy Lake feature (Intel Quick Resume
Technology).
APIC ACPI SCI IRQ
Disabled
Enabled
IRQ9 if APIC is not used for SCI.
IRQ20 is only available for SCI if APIC is
enabled.
Enable/Disable
APIC ACPI SCI IRQ.
High Performance Event
Timer
Disabled
Enabled
Enable/Disable High Performance Event Timer
(HPET).
Enable / Disable