Advanced Configuration and Power Interface Specification

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Advanced Configuration and Power Interface Specification 496 April, 2015 Version 6.0
ACPI-Defined Devices and Device-Specific Objects 9 ACPI-Defined Devices and Device-Specific Objects This section describes ACPI defined devices and device-specific objects. The system status indicator objects, declared under the \_SI scope in the ACPI Namespace, are also specified in this section. 9.1 \_SI System Indicators ACPI provides an interface for a variety of simple and icon-style indicators on a system. All indicator controls are in the \_SI portion of the namespace. The following table lists all defined system indicators. (Notice that there are also per-device indicators specified for battery devices). Table 9-254 System Indicator Control Methods Object _SST _MSG _BLT Description System status indicator Messages waiting indicator Battery Level Threshold 9.1.1 _SST (System Status) This optional object is a control method that OSPM invokes to set the system status indicator as desired. Arguments: (1) Arg0 – An Integer containing the system status indicator identifier 0 – No system state indication. Indicator off 1 – Working 2 – Waking 3 – Sleeping. Used to indicate system state S1, S2, or S3 4 – Sleeping with context saved to non-volatile storage Return Value: None 9.1.2 _MSG (Message) This control method sets the system’s message-waiting status indicator. Arguments: (1) Arg0 – An Integer containing the number of waiting messages Version 6.0 497
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Advanced Configuration and Power In
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Revision History Revision Change De
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Revision Change Description Affecte
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Contents 1 2 Introduction........
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5 ACPI Software Programming Model
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7 6.3.6 _RMV (Remove) ............
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9.2.5 _ALR (Ambient Light Response)
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11.2.1 Evaluating Thermal Device Li
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14.1.3 Generic Communications Subsp
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19.6.10 Buffer (Declare Buffer Obje
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19.6.102 Processor (Declare Process
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A.4.1 Power State Definitions......
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Tables Table 1-1 Hardware Type vs.
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Table 5-91 Power state Values .....
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Table 6-184 Device Insertion, Remov
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Table 10-275 Control Method Battery
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Table 19-367 Field Unit list entire
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Figures Figure 1-1 OSPM/ACPI Global
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Introduction 1 Introduction The Adv
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Introduction wake and answer the te
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Introduction Figure 1-1 OSPM/ACPI G
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Introduction specified below are ge
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Introduction ACPI System Descriptio
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Introduction • Support the ACPI E
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Introduction 1.9.2 Programming Mode
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Introduction 1.10 Related Documents
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Definition of Terms 2 Definition of
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Definition of Terms of power manage
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Definition of Terms I/O SAPIC An In
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Definition of Terms loaded. This al
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Definition of Terms varies on the w
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Definition of Terms in shallower po
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Definition of Terms state to allow
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ACPI Overview 3 ACPI Overview Platf
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ACPI Overview component to avoid da
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ACPI Overview Aspects of mobile PC
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ACPI Overview level, platform-speci
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ACPI Overview through their own bus
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ACPI Overview the SCI status bit ma
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ACPI Overview wait for the call. To
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ACPI Overview Each device enumerate
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ACPI Overview the battery is able t
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ACPI Overview Table 3-4 Level Warni
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ACPI Overview necessary. Figure 3-8
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ACPI Overview 3.11.1 Hardware-reduc
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ACPI Overview Low Power S0 Idle Cap
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ACPI Hardware Specification 4 ACPI
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ACPI Hardware Specification would b
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ACPI Hardware Specification OSPM re
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ACPI Hardware Specification SLP_ENx
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ACPI Hardware Specification Device
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ACPI Hardware Specification Generic
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ACPI Hardware Specification Feature
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ACPI Hardware Specification Registe
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ACPI Hardware Specification Table 4
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ACPI Hardware Specification purpose
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ACPI Hardware Specification The pow
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ACPI Hardware Specification 4.8.2.2
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ACPI Hardware Specification Month A
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ACPI Hardware Specification Bit Nam
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ACPI Hardware Specification Althoug
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ACPI Hardware Specification the SLE
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ACPI Hardware Specification ACPI FA
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ACPI Hardware Specification This lo
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ACPI Software Programming Model 5 A
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ACPI Software Programming Model The
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ACPI Software Programming Model •
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ACPI Software Programming Model ACP
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ACPI Software Programming Model OEM
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ACPI Software Programming Model Sig
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ACPI Software Programming Model 5.2
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ACPI Software Programming Model Glo
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ACPI Software Programming Model 2-1
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ACPI Software Programming Model Nam
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ACPI Software Programming Model (1)
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Device Configuration 6 Device Confi
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Device Configuration BUS PCMCIA PC
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Device Configuration Device(SATA) /
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Device Configuration Return Value I
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Device Configuration unable to dete
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Device Configuration Name Definitio
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Device Configuration Name Definitio
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Device Configuration Rota-tion Goup
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Device Configuration Example ASL: N
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Device Configuration Object _FIX _G
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Device Configuration For example, i
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Device Configuration 6.2.5 _DSD (De
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Device Configuration } Name (_DSD,
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Device Configuration APIC Device”
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Device Configuration Scope(\_SB) {
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Device Configuration Method(_EJ0, 1
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Device Configuration Field Object T
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Device Configuration Field Object T
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Device Configuration other governin
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Device Configuration Since platform
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Device Configuration Section 8.4.4.
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Device Configuration Control Field
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Device Configuration Device(PCI0) /
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Device Configuration Field Type Des
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Device Configuration This optional
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Device Configuration Field Byte Len
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Device Configuration If a device in
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Device Configuration are present, w
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Device Configuration Arguments: Non
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Device Configuration Return Value:
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Device Configuration Table 6-187 Op
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Device Configuration User interacts
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Device Configuration Method(_EJ0, 1
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Device Configuration 6.4.2 Small Re
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Device Configuration Offset Field N
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Device Configuration Table 6-197 I/
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Device Configuration 6.4.2.9 End Ta
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Device Configuration Offset Byte 11
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Device Configuration To specify mul
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Device Configuration 6.5 Other Obje
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Device Configuration Note: If the m
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Device Configuration Note: The OS o
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Device Configuration whether the Gl
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Power and Performance Management 7
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Power and Performance Management No
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Power and Performance Management Re
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Power and Performance Management Ob
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Power and Performance Management Ar
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Power and Performance Management If
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Power and Performance Management ca
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Power and Performance Management
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Power and Performance Management im
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Power and Performance Management 9.
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Processor Configuration and Control
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ACPI-Defined Devices and Device-Spe
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Power Source and Power Meter Device
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Thermal Management 11 Thermal Manag
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Thermal Management When a thermal z
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Thermal Management controller firmw
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Thermal Management 11.1.5 Passive C
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Thermal Management 11.2 Cooling Pre
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Thermal Management Alternatively, d
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Thermal Management 11.3.1.2 _FPS (F
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Thermal Management Package (){ Revi
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Thermal Management 11.4.2 _ALx (Act
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Thermal Management Element Object T
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Thermal Management Return Value: No
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Thermal Management Other Temperatur
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Thermal Management // // NOTE3: Thi
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Thermal Management 11.4.16 _TFP (Th
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Thermal Management 11.4.20 _TSN (Th
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Thermal Management occurs—relievi
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Thermal Management Scope(\_SB) { De
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Thermal Management } // fan cooling
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Thermal Management // For brevity,
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Thermal Management External(\_SB.CP
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Thermal Management Method(_TPT, 1)
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ACPI Embedded Controller Interface
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Platform Communications Channel (PC
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System Address Map Interfaces 15 Sy
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System Address Map Interfaces EAX F
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System Address Map Interfaces 15.3
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System Address Map Interfaces Base
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Waking and Sleeping 16 Waking and S
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Waking and Sleeping 16.1 Sleeping S
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Waking and Sleeping synchronized wi
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Waking and Sleeping 3. Removing pow
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Waking and Sleeping The _TTS contro
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Waking and Sleeping on what the har
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Waking and Sleeping CLI instruction
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Waking and Sleeping For this exampl
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Waking and Sleeping If an NVS image
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Platforms Non-Uniform Memory Access
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Platforms Non-Uniform Memory Access
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ACPI Platform Error Interfaces (APE
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Appendix A Device Class Specificati
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• PCI Bus Power Management Capabi
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A.4.1 Power State Definitions State
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A.5.1 Power State Definitions State
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A.6.1.2 Internal Flat Panel Devices
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power transitions and power managem
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A video controller conforming to th
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State Status Definition D2 N/A This
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The most common modem type is an IS
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State Status Definition D1 Optional
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A.11.1 Power State Definitions A.11
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A floppy disk and IDE channel devic
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GPE // ACPI General-purpose HW even
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B.3.2 _DOD (Enumerate All Devices A
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Pipe / Head Ports Display Types Dis
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the next boot, a 1 indicates a PCI
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Value 0x84 Description Previous Dis
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Bits Definition 31 0 - Don’t do a
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internal data structure of the OS t
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Symbols _EJx 334 ??????????????????
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Power Resource statements 391 prima
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centenary value, RTC alarm 83 Centr
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power resource objects 398 D2 Devic
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Eject Device List (_EDL) object 332
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features 68 functional implementati
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I/O resource flag 366 I/O SAPIC def
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logic fixed power button 77 lid swi
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objects _ BMC (Battery Maintenance
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transitioning working to soft-off s
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power resources battery management
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definition 22 table fields 115 RTC_
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protocols 650, 662, 669 Read/Write
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top of memory 704 ToString (Convert
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