acpicpu man page on OpenBSD

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ACPICPU(4)		  OpenBSD Programmer's Manual		    ACPICPU(4)

NAME
     acpicpu - ACPI processor power and performance state

SYNOPSIS
     acpicpu* at acpi?

DESCRIPTION
     The acpicpu driver provides support for extracting processor power and
     performance levels from ACPI tables.  This information can be used to
     throttle processor speed to reduce power usage and extend battery life
     through the hw.setperf sysctl(3) mechanism.

SEE ALSO
     sysctl(3), acpi(4), cpu(4), intro(4), apmd(8), sysctl(8)

HISTORY
     The acpicpu driver first appeared in OpenBSD 3.9.

AUTHORS
     The acpicpu driver was written by Marco Peereboom <marco@openbsd.org>.

OpenBSD 4.9			 May 31, 2007			   OpenBSD 4.9
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