Advanced Configuration and Power Interface Specification

Advanced Configuration and Power Interface Specification
Name Description Heading
_GLK
_GPD
_GPE
_GRA
_GRT
_GSB
_GTF
_GTM
Global Lock – returns a device’s Global Lock requirement for
device access.
Get Post Data – returns the value of the VGA device that will
be posted at boot.
General Purpose Events – (1) predefined Scope (\_GPE.)
(2) Returns the SCI interrupt associated with the Embedded
Controller.
Granularity – address space granularity, resource descriptor
field.
Get Real Time – Returns the current time from a Time and
Alarm Control Method Device.
Global System Interrupt Base – returns the GSB for a I/O
APIC device.
Get Task File – returns a list of ATA commands to restore a
drive to default state.
Get Timing Mode – returns a list of IDE controller timing
information.
Section 6.5.7 page 386
Section B.3.4 page 974
Section 5.3.1
Section 12.11
page 214
page 656
Section 19.2.8 page 778
Section 9.18.3 page 543
Section 6.2.7 page 302
Section 9.8.1.1 page 508
Section 9.8.2.1.1 page 511
_GWS Get Wake Status – Gets the wake status of a Time and Alarm Section 9.18.5 page 545
Control Method Device.
_HE High-Edge – interrupt triggering, resource descriptor field. Section 19.2.8 page 778
_HID Hardware ID – returns a device’s Plug and Play Hardware ID. Section 6.1.5 page 281
_HOT
_HPP
_HPX
_HRV
_IFT
Hot Temperature – returns the critical temperature for sleep
(entry to S4).
Hot Plug Parameters – returns a list of hot-plug information for
a PCI device.
Hot Plug Parameter Extensions – returns a list of hot-plug
information for a PCI device. Supersedes _HPP.
Hardware Revision– supplies OSPM with the device’s
hardware revision. Optional
IPMI Interface Type. See the Intelligent Platform Management
Interface Specification at “Links to ACPI-Related Documents”
(http://uefi.org/acpi) under the heading "Server Platform
Management Interface Table".
Section 11.4.7 page 613
Section 6.2.8 page 307
Section 6.2.9 page 307
Section 6.1.6 page 282
Section 19.6 page 809
_INI Initialize – performs device specific initialization. Section 6.5.1 page 381
_INT Interrupts – interrupt mask bits, resource descriptor field. Section 19.2.8 page 778
_IOR IO Restriction – IO restriction setting for a GPIO IO
Section 19.6.55 page 844
connection, resource descriptor field
_IRC Inrush Current – presence indicates that a device has a Section 7.3.15 page 402
significant inrush current draw.
_Lxx Level GPE – Control method executed as a result of a Section 5.6.4.1 page 244
general-purpose event.
_LCK Lock – locks or unlocks a device (docking). Section 6.3.4 page 335
_LEN Length – range length, resource descriptor field. Section 19.2.8 page 778
262 April, 2015 Version 6.0