Advanced Configuration and Power
Interface Specification
Hewlett-Packard Corporation
Intel Corporation
Microsoft Corporation
Phoenix Technologies Ltd.
Toshiba Corporation
Revision 5.0
[December 6, 2011]
Advanced Configuration and Power Interface Specification
Acknowledgements
Copyright 2006 - 2011 All Rights Reserved.Hewlett-Packard Corporation, Intel Corporation, Microsoft Corporation,
Phoenix Technologies Ltd., Toshiba Corporation
INTELLECTUAL PROPERTY DISCLAIMER
THIS SPECIFICATION IS PROVIDED "AS IS" WITH NO WARRANTIES WHATSOEVER INCLUDING ANY
WARRANTY OF MERCHANTABILITY, FITNESS FOR ANY PARTICULAR PURPOSE, OR ANY WARRANTY
OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION, OR SAMPLE.
NO LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY
RIGHTS IS GRANTED OR INTENDED HEREBY.
HP, INTEL, MICROSOFT, PHOENIX, AND TOSHIBA DISCLAIM ALL LIABILITY, INCLUDING LIABILITY FOR
INFRINGEMENT OF PROPRIETARY RIGHTS, RELATING TO IMPLEMENTATION OF INFORMATION IN THIS
SPECIFICATION. HP, INTEL, MICROSOFT, PHOENIX, AND TOSHIBA DO NOT WARRANT OR REPRESENT
THAT SUCH IMPLEMENTATION(S) WILL NOT INFRINGE SUCH RIGHTS.
Microsoft, Win32, Windows, and Windows NT are registered trademarks of Microsoft Corporation.
All other product names are trademarks, registered trademarks, or service marks of their respective owners.
ii
December 6, 2011
Version 5.0
Revision History
Revision
5.0
Dec. 2, 2011
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Change Description
Ptec-002
MSFT-020 Enumeration Power Controls
MSFT-019 GTDT table
MSFT_0018 Locking Targets from AML
MSFT-0017 PLD clarification for handhelf form factors
MSFT-0016 Extended GPIO-signaled Event Numbers
MSFT-0015 (0.1) D3 Cold Errata
MSFT-0014
MSFT-0013_ADR for SIO
MSFT-0012 ROM (Get ROM Data)
MSFT-010 Reserved Table Signatures
MSFT-0009 (0.4)TimeAndAlarmDevice Modification
MSFT-0008 Collaborative Processor Performance Control
MSFT-0007 Platform Communications Channel added (new ch. 14)
MSFT-0007-0008 -Platform_Communication_Channel_and_CPPC_changes
MSFT-0006 SPB Abstraction
Affected
Sections
5.2.6
7.2.7, 7.2.12,
5.2.25
5.7.5
5.1.8
5.6.5.3
7.2.1, 7.2.18
through 7.2.22
5.2.23
6.2
5.6.6, 9.16
5.2.6
9.18
8.4.5
Ch 14 (new)
(new) 14
3.11.3,
5.5.2.4.5.x,
6.4.3.8.2,
6.5.8,18.1.3,
18.1.6, 18.1.7,
18.5.44,
18.5x,19.2.5.2
5.5.2.4.x,5.6,
5.6.5.x, 6.4.3,
6.3.8.x, 18.5.51,
18.5.52, 18.5.89
6.4.2.9, 18.5.50
6.1, 6.1.3, 6.1.5,
6.1.6, 6.1.9
5.2.11, 5.2.14-
15
5.0
MSFT-0005 GPIO Abstraction
5.0
5.0
5.0
MSFT-0004 (0.2) Fixed DMA Descriptor
MSFT-0003 Device identification
MSFT-0002 Interrupt Descriptors for Generic Interrupt Controller
Advanced Configuration and Power Interface Specification
Revision
5.0
Change Description
MSFT-0001 HW-reduced ACPI
5.0
5.0
5.0
5.0
5.0
INTC-0014 Remove a line (reference) not needed
INTC-0013
INTC-0012 fix AML opcode table
INTC-0011 fix table offsets
INTC-0010 Update Constant Descriptions
Affected
Sections
3.11.x, 4, 4.1.x,
4.3.7, 5.2.9,
5.2.9.1, 6.4.2.1,
6.4.3.6, 7.2.11,
7.3.4, 9.6, 12,
12.1, 12.6, 12.11,
12.11.1, 15,
15.1.x, 15.3,
15.3.1.x, 18.5.55,
18.5.57
A.2.3
19.3
18.6.x (tables)
18.5.88,
18.5.89,18.5.104
,18.5.136
5.2.20.x
5.2.6
6.2.10.4
18.5.92
20, 21.x
6.1, 6.1.3,
6.1.5,6.1.6, 6.1.9
17.6.1, 17.6.3,
17.6.5
5.2.20.4,
5.2.20.6
5.2.19- 5.2.20.6
18.3.2.7
5.6.5, 6.3.5
9.14.1
B.3.3
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
INTC0009
RASF
INTC-008
INTC-006 Fixed Example
INTC-005 Update Package Description
INTC-004 Table Definition Language
INTC-003 MPST
INTC-002 EINJ
INTC-001 (0.8) Firmware Performance Data Table (FPDT)
INTC-001 Firmware Performance Data Table (FPDT) (0.4)
HP-0002 Additional Hardware Error Notification Types
HP-0001 (0.2) BMC Requested Graceful Shutdown
ACPI4.0 _DSM function 0 clarification
AMD-002 0.3 ROM (Get ROM Data)
iv
December 6, 2011
Version 5.0
Revision
4.0a
Apr. 2010
Change Description
Errata corrected and clarifications added.
2.2
Removed text concerning government requirement of mechanical off
Clarified URL update document, Corrected section references for APIC, SLIT, SRAT 5.2.6
in Table 5-5, Update URLs and reformated Table 5-6
5.2.12.4
Corrected reference to Interrupt Source Override Structure
5.2.18
Corrected name for CPEP table
5.5.2.4.3.1
Corrected reference to SMBus, should be IPMI
5.6.5
Clarified BusCheck and DeviceCheck notifications in Table 5-53
5.6.6
Added link to non-ACPI Plug and Play ID reference document
Added missing _ATT and _GAI names, Corrected page/section references in Table 5-5.6.7
67
6.4.2.8
Corrected EndTag name value. Was 0x78, correct value is 0x79 Table 6-33
6.4.3.5.1,2,3
Consumer/Producer bit is ignored (Restored 2.0C change that had been lost)
6.5.7
Clarified use of _GLK (Global Lock) object
8.4.3.4
Corrected definition of _TSD object
8.4.4.5
Corrected definition of _PSD object
8.4.5
Corrected table name (CPEP)
Corrected “maximum positive adjustment” value. Was 500%, correct value is 50%, 9.2.5
Updated description of example – 300 to 400 lux, Eliminated hardcoded package
lengths in examples, Changed “brightness” to “highest ambient light value”
Corrected reference to _IDE, should be _GTM. Corrected table reference
9.8.2.1.1
Clarified GPE Block Device Description
9.10
Corrected _PLD object examples
9.13
Repaired diagram that would not display properly Figure 10-2
10.1.3.1
Added missing _BCT method to Table 10-3
10.2.2
Clarified that OEM Information field should contain NULL string if not supported in
10.2.1.1-2
Table 10-4 &Table 10-5
Corrected description of _BTM arguments and return value
10.2.2.8
Clarified description of _BCT return value
Corrected HID for Power Source device. Was ACPI0003, correct value is ACPI0004 10.2.2.9
10.3
Corrected _PIF example. First package element was a Buffer, should be Integer,
Clarified that OEM Information field should contain NULL string if not supported Table
10.3.3
10-10
Corrected description of _SHL method Table 10-11
Clarified _PRL return value, a list of References
10.4
Corrected _PMC example. First package element was a Buffer, should be Integer
Clarified that OEM Information field should contain NULL string if not supported Table 10.3.4
10.4.1
10-12
Affected
Sections
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