Advanced Configuration and Power Interface Specification

features 68
functional implementation 59
interfaces 106
power button 77
programming model 58
register blocks 71
registers 70, 85
sleep button 79
fixed location I/O port descriptor resource descriptor
format 347
Fixed Register Resource Provider (_FIX) 301
fixed width registers 368
FixedIO (Fixed IO Resource Descriptor) 841
FixedList 753
flags
Burst 640
DWORD 358
FACS 133
FADT 93
I/O resource 366
IA-PC boot architecture 128
Input Buffer Full (IBF) 640, 645
interrupt vector 367
local APIC 140
MADT 139
memory resource 365
MPS INTI 142
Output Buffer Full (OBF) 639, 645
QWORD 355, 362
SMI event (SMI_EVT) 640
system type 128
WORD 360
floppy controller device objects 514
Floppy Disk Drive Mode (_FDM) control
method 516
Floppy Disk Enumerate (_FDE) object 514
Floppy Disk Information (_FDI) object 515
floppy disks See storage devices
flushing caches 425, 700
frequency mismatch 251
FromBCD (Convert BCD To Integer) 842
Function (Declare Control Method) 842
functional device configuration 702
functions
End Dependent 346
Start Dependent 345
G
G0 Working state
behavior during 693
definition 25
properties 25
transitioning to 62
transitioning to Sleeping state 699
transitioning to Soft-Off 700
G1 Sleeping state
definition 24
properties 25
transitioning to 693
G2 Soft Off
definition 24
properties 26
transitioning to 63
G3 Mechanical Off
definition 24
properties 26
transitioning from 62
transitioning to 34
game pads See input devices
GAS See Generic Address Structure
GBL_EN 88
GBL_RLS 89
GBL_STS 86
general event model 45
general-purpose event registers
addresses 73, 94
blocks 74, 96
definition 20
event 0 96
event 0 enable 97
event 0 status 97
event 1 97
event 1 enable 98
event 1 status 98
grouping 72
general-purpose events
_Exx, _Lxx, and _Qxx methods 244
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