acpi man page on OpenBSD

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

     acpi - Advanced Configuration and Power Interface

     acpi0 at bios?

     The acpi driver provides basic support for ACPI including loading ACPI
     tables from the firmware, parsing and interpreting AML code, event
     handling, suspending and powering off, and attaching device drivers.
     Userland may access acpi by using the apm(4) device.

     The following devices can attach to acpi:

	   acpiac(4)	       ACPI AC adapter
	   acpiasus(4)	       ASUS ACPI hotkeys
	   acpibat(4)	       ACPI control method battery
	   acpibtn(4)	       ACPI button
	   acpicpu(4)	       ACPI processor power and performance state
	   acpidock(4)	       ACPI docking station
	   acpiec(4)	       ACPI embedded controller
	   acpihpet(4)	       ACPI high precision event timer
	   acpimadt(4)	       ACPI APIC configuration
	   acpiprt(4)	       ACPI PCI routing table configuration
	   acpipwrres(4)       ACPI power resources
	   acpisony(4)	       Sony ACPI control
	   acpithinkpad(4)     IBM/Lenovo ThinkPad ACPI support
	   acpitimer(4)	       ACPI power management timer
	   acpitz(4)	       ACPI thermal zone
	   acpivideo(4)	       ACPI video
	   acpivout(4)	       ACPI video output
	   aibs(4)	       ASUSTeK AI Booster ACPI ATK0110 temperature,
			       voltage, and fan sensor

     /dev/apm	     Power management data device.  May only be opened read-
		     only.  May be opened by multiple concurrent users.

     /dev/apmctl     Power management control device.  May be opened read-
		     write or write-only.  May only be opened by one user at a
		     time.  An attempt to open the file when in use will fail,
		     returning EBUSY.

     apm(4), intro(4)

     The acpi driver first appeared in OpenBSD 3.8.

     The acpi driver was written by Thorsten Lockert <> and
     Jordan Hargrave <>.

OpenBSD 4.9		      September 12, 2010		   OpenBSD 4.9

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