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82801AA and 82801AB
Datasheet
xiii
8.5
Advanced Interrupt Controller (APIC).........................................................8-39
8.5.1
APIC Register Map ........................................................................8-39
8.5.2
IND—Index Register......................................................................8-39
8.5.3
DAT—Data Register ......................................................................8-40
8.5.4
ID—Identification Register.............................................................8-40
8.5.5
VER—Version Register .................................................................8-40
8.5.6
ARBID—Arbitration ID Register.....................................................8-41
8.5.7
Redirection Table...........................................................................8-41
8.5.8
IRQPA—IRQ Pin Assertion Register .............................................8-43
8.5.9
EOIR—EOI Register......................................................................8-43
Real Time Clock Registers .........................................................................8-44
8.6.1
I/O Register Address Map..............................................................8-44
8.6.2
Indexed Registers..........................................................................8-45
8.6.2.1
RTC_REGA—Register A................................................8-46
8.6.2.2
RTC_REGB—Register B (General Configuration).........8-47
8.6.2.3
RTC_REGC—Register C (Flag Register) ......................8-48
8.6.2.4
RTC_REGD—Register D (Flag Register) ......................8-48
Processor Interface Registers.....................................................................8-49
8.7.1
NMI_SC—NMI Status and Control Register..................................8-49
8.7.2
NMI_EN—NMI Enable (and Real Time Clock Index) ....................8-50
8.7.3
PORT92—Fast A20 and Init Register............................................8-50
8.7.4
COPROC_ERR—Coprocessor Error Register ..............................8-50
8.7.5
RST_CNT—Reset Control Register ..............................................8-51
Power Management Registers (D31:F0) ....................................................8-52
8.8.1
Power Management PCI Configuration Registers (D31:F0)..........8-52
8.8.1.1
GEN_PMCON_1—General PM Configuration 1
Register (PM—D31:F0)..................................................8-52
8.8.1.2
GEN_PMCON_2—General PM Configuration 2
Register (PM—D31:F0)..................................................8-53
8.8.1.3
GEN_PMCON_3—General PM Configuration 3
Register (PM—D31:F0)..................................................8-53
8.8.1.4
GPI_ROUT—GPI Routing Control Register
(PM—D31:F0) ................................................................8-54
8.8.1.5
IO_MON_RNG1—IO Monitor Range 1 Register
(PM—D31:F0) ................................................................8-54
8.8.1.6
IO_MON_RNG2—IO Monitor Range 2 Register
(PM—D31:F0) ................................................................8-55
8.8.1.7
IO_MON_MSK—IO Monitor Range Mask Register
(PM—D31:F0) ................................................................8-55
8.8.2
APM I/O Decode............................................................................8-56
8.8.2.1
APM_CNT—Advanced Power Management
Control Port Register......................................................8-56
8.8.2.2
APM_STS—Advanced Power Management
Status Port Register .......................................................8-56
8.6
8.7
8.8