Linux provides relatively mature support for Advanced Power Management (APM). However, that support depends on code which must be contained within the system's BIOS for functions such as suspend-to-ram, suspend-to-disk, and system power states. Now that the newer Advanced Configuration and Power Interface (ACPI) standard is in common use within the laptop/desktop PC realm, APM support can be expected to… disappear from the BIOS of new PC-compatible systems. As a result, ACPI support directly within the Linux kernel is required.

To learn more about the ongoing development of ACPI support for Linux, LinuxDevices.com contacted Guy Therien, a Software Architecture Manager with Intel's TRL/Mobile Architecture Lab, who is serving as a spokesperson for the Linux ACPI project . . .

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