Advanced Configuration and Power Interface Specification

Symbols
_EJx 334
??????????????????????????????????? 149
??????????????????????????????????????????
??? 149
A
AC adapter
device ID 257
power source objects 583
AC status notification 564
access, device 655
AccessAs term 231, 667
acoustics See noise
ACPI
definition 17
device ID 256, 270
goals 1
ACPI Hardware See hardware
ACPI Machine Language See AML
ACPI mode
entering 703
exiting 707
ACPI Namespace
AML encoding 925
control method access 221
definition 17
display adapters 968
embedded controller device definition 656
generic hardware registers 94
Modifier Objects encoding, AML 911
naming conventions 212
root namespaces 214
SMBus host controller objects 663
ACPI Source Language See ASL
ACPI System Description tables See tables
ACPI-compatible hardware See hardware
Acquire (Acquire a Mutex) 810
Acquire terms 865
active cooling
_ACx object 595, 608
control methods 598
definition 594
engaging 598
preferences 52, 601
threshold values 601
active line printer (LPT) ports 43
Active List (_ALx) object 609
Add (Integer Add) 810
add-in display adapter, definition 968
Address (_ADR) object 278
address register (SMB_ADDR) 648
Address Space Descriptors
DWORD resource descriptor format 357
Extended 361
QWORD resource descriptor format 354,
876, 878, 880
resource specific flags 365
WORD resource descriptor format 360
Address Space Resource Descriptors
valid combinations 354
addresses
alarm fields 83
BARs (Base Address Registers) 222
blocking, BIOS 684
bus types 278, 283, 290, 326, 327
control methods 221
decoding 521
FACS 130
format 106
functional fixed hardware 107
Generic Address Structure (GAS) 107
generic hardware 59, 66
I/O (S)APIC 145, 382
map samples 688
mixed, preventing 145, 382
registers 72
reset register 92, 93
slave 563, 661
system description tables 102
Advanced Configuration and Power Interface
See ACPI
Advanced Programmable Interrupt Controller
See APIC
alarm address register (SMB_ALRM_ADDR)
649
alarm data register (SMB_ALRM_DATA) 649
Version 6.0 April, 2015 985