Linux Kernel in a Nutshell

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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.

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