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CONFIG_PM: Power Management support (EXPERIMENTAL)

General informations

The Linux kernel configuration item CONFIG_PM has multiple definitions:

found in arch/parisc/Kconfig

The configuration item CONFIG_PM:

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(none)

found in arch/ppc/Kconfig

The configuration item CONFIG_PM:

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found in drivers/macintosh/Kconfig

The configuration item CONFIG_PM:

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(none)

found in kernel/power/Kconfig

The configuration item CONFIG_PM:

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(none)

Power Management support (EXPERIMENTAL) found in arch/mips/Kconfig

The configuration item CONFIG_PM:

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Power Management support (EXPERIMENTAL) found in arch/ppc/platforms/4xx/Kconfig

The configuration item CONFIG_PM:

Help text

(none)

Power Management support found in arch/arm/Kconfig

The configuration item CONFIG_PM:

Help text

"Power Management" means that parts of your computer are shut off or put into a power conserving "sleep" mode if they are not being used. There are two competing standards for doing this: APM and ACPI. If you want to use either one, say Y here and then also to the requisite support below.

Power Management is most important for battery powered laptop computers; if you have a laptop, check out the Linux Laptop home page on the WWW at http://www.linux-on-laptops.com/ or Tuxmobil - Linux on Mobile Computers at http://www.tuxmobil.org/ and the Battery Powered Linux mini-HOWTO, available from http://www.tldp.org/docs.html#howto.

Power Management support found in arch/ia64/Kconfig

The configuration item CONFIG_PM:

Help text

"Power Management" means that parts of your computer are shut off or put into a power conserving "sleep" mode if they are not being used. There are two competing standards for doing this: APM and ACPI. If you want to use either one, say Y here and then also to the requisite support below.

Power Management is most important for battery powered laptop computers; if you have a laptop, check out the Linux Laptop home page on the WWW at http://www.linux-on-laptops.com/ and the Battery Powered Linux mini-HOWTO, available from http://www.tldp.org/docs.html#howto.

Note that, even if you say N here, Linux on the x86 architecture will issue the hlt instruction if nothing is to be done, thereby sending the processor to sleep and saving power.

Power Management support found in arch/m68k/Kconfig

The configuration item CONFIG_PM:

Help text

Support processor power management modes

Power Management support found in arch/m68knommu/Kconfig

The configuration item CONFIG_PM:

Help text

Support processor power management modes

Power Management support found in arch/x86_64/Kconfig

The configuration item CONFIG_PM:

Help text

"Power Management" means that parts of your computer are shut off or put into a power conserving "sleep" mode if they are not being used. There are two competing standards for doing this: APM and ACPI. If you want to use either one, say Y here and then also to the requisite support below.

Power Management is most important for battery powered laptop computers.

Note that, even if you say N here, Linux on the x86 architecture will issue the hlt instruction if nothing is to be done, thereby sending the processor to limited sleep and saving power. However using ACPI will likely save more power.

Power Management support found in kernel/power/Kconfig

The configuration item CONFIG_PM:

Help text

"Power Management" means that parts of your computer are shut off or put into a power conserving "sleep" mode if they are not being used. There are two competing standards for doing this: APM and ACPI. If you want to use either one, say Y here and then also to the requisite support below.

Power Management is most important for battery powered laptop computers; if you have a laptop, check out the Linux Laptop home page on the WWW at http://www.linux-on-laptops.com/ or Tuxmobil - Linux on Mobile Computers at http://www.tuxmobil.org/ and the Battery Powered Linux mini-HOWTO, available from http://www.tldp.org/docs.html#howto.

Note that, even if you say N here, Linux on the x86 architecture will issue the hlt instruction if nothing is to be done, thereby sending the processor to sleep and saving power.

Hardware

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