Linux Kernel in a Nutshell

Name

acpi — ACPI subsystem options.

Synopsis

acpi=[force|off|noirq|ht|strict]

This is the main option for the Advanced Configuration and Power Interface (ACPI). Values are:

force

Force ACPI to be enabled. Can be used to override the kernel configuration option that disabled it.

off

Disable ACPI. Can be used to override the kernel configuration option that enabled it.

noirq

Prevent ACPI from being used for IRQ routing.

ht

run only enough of the ACPI layer to enable HyperThreading on processors that are capable of it.

strict

Make the ACPI layer be less tolerant of platforms that are not fully compliant with the ACPI specification.