Advanced Configuration and Power Interface Specification

Revision Change Description Affected Sections
4.0a
Apr. 2010
Errata corrected and clarifications added.
Removed text concerning government requirement of
mechanical off
Clarified URL update document, Corrected section
references for APIC, SLIT, SRAT in Table 5-5,
Update URLs and reformated Table 5-6
Corrected reference to Interrupt Source Override
Structure
Corrected name for CPEP table
Corrected reference to SMBus, should be IPMI
Clarified BusCheck and DeviceCheck notifications in
Table 5-53
Added link to non-ACPI Plug and Play ID reference
document
Added missing _ATT and _GAI names, Corrected
page/section references in Table 5-67
Corrected EndTag name value. Was 0x78, correct
value is 0x79 Table 6-33
Consumer/Producer bit is ignored (Restored 2.0C
change that had been lost)
Clarified use of _GLK (Global Lock) object
Corrected definition of _TSD object
Corrected definition of _PSD object
Corrected table name (CPEP)
Corrected “maximum positive adjustment” value. Was
500%, correct value is 50%, 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
Clarified GPE Block Device Description
Corrected _PLD object examples
Repaired diagram that would not display properly
Figure 10-2
Added missing _BCT method to Table 10-3
Clarified that OEM Information field should contain
NULL string if not supported in Table 10-4 &Table 10-
5
Corrected description of _BTM arguments and return
value
Clarified description of _BCT return value
Corrected HID for Power Source device. Was
ACPI0003, correct value is ACPI0004
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 10-10
Corrected description of _SHL method Table 10-11
Clarified _PRL return value, a list of References
Corrected _PMC example. First package element
was a Buffer, should be Integer
Clarified that OEM Information field should contain
Version 6.0
NULL string if not supported Table 10-12
2.2
5.2.6
5.2.12.4
5.2.18
5.5.2.4.3.1
5.6.5
5.6.6
5.6.7
6.4.2.8
6.4.3.5.1,2,3
6.5.7
8.4.3.4
8.4.4.5
8.4.5
9.2.5
9.8.2.1.1
9.10
9.13
10.1.3.1
10.2.2
10.2.1.1-2
10.2.2.8
10.2.2.9
10.3
10.3.3
10.4
10.3.4
10.4.1
xi