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ACPIWMI(4)              NetBSD Kernel Interfaces Manual             ACPIWMI(4)


NAME

     acpiwmi -- Windows Management Instrumentation support for ACPI


SYNOPSIS

     acpiwmi* at acpi?
     acpiwmibus* at acpiwmi?
     wmidell* at acpiwmibus?
     wmieeepc* at acpiwmibus?
     wmihp* at acpiwmibus?
     wmimsi* at acpiwmibus?


DESCRIPTION

     The acpiwmi device driver provides an ACPI interface for Windows Manage-
     ment Instrumentation (WMI).  The ACPI WMI interface is typically used to
     support vendor specific features found in various laptops.

     The following WMI mappings are supported:

           wmidell   Dell laptops

           wmieeepc  Some models of Asus Eee PC

           wmihp     Hewlett-Packard laptops

           wmimsi    MSI laptops

     The functionality varies from vendor to vendor.  Typically the interface
     is used for function and hotkey handling, but additional features may be
     present.


SEE ALSO

     acpi(4), acpidalb(4)

     Microsoft Corporation, Windows Instrumentation: WMI and ACPI,
     http://www.microsoft.com/whdc/system/pnppwr/wmi/wmi-acpi.mspx, December
     4, 2001.


HISTORY

     The acpiwmi device driver appeared in NetBSD 6.0.


AUTHORS

     Jukka Ruohonen <jruohonen@iki.fi> wrote acpiwmi and most of the mappings.


CAVEATS

     While WMI should provide a certain degree of portability across laptop
     models from a particular vendor, there is no guarantee that the mappings
     are functional in all models.

     The wmihp driver may conflict with hpqlb(4).

NetBSD 6.1.2                   February 16, 2011                  NetBSD 6.1.2