82801BA ICH2
Datasheet
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9.7
Processor Interface Registers.....................................................................9-51
9.7.1
NMI_SC—NMI Status and Control Register..................................9-51
9.7.2
NMI_EN—NMI Enable (and Real Time Clock Index) ....................9-52
9.7.3
PORT92—Fast A20 and Init Register............................................9-52
9.7.4
COPROC_ERR—Coprocessor Error Register ..............................9-52
9.7.5
RST_CNT—Reset Control Register ..............................................9-53
Power Management Registers (D31:F0) ....................................................9-53
9.8.1
Power Management PCI Configuration Registers (D31:F0)..........9-53
9.8.1.1
GEN_PMCON_1—General PM Configuration 1
Register (PM—D31:F0)..................................................9-54
9.8.1.2
GEN_PMCON_2—General PM Configuration 2
Register (PM—D31:F0)..................................................9-55
9.8.1.3
GEN_PMCON_3—General PM Configuration 3
Register (PM—D31:F0)..................................................9-55
9.8.1.4
GPI_ROUT—GPI Routing Control Register
(PM—D31:F0) ................................................................9-56
9.8.1.5
TRP_FWD_EN—IO Monitor Trap Forwarding
Enable Register (PM—D31:F0)......................................9-56
9.8.1.6
MON[n]_TRP_RNG—I/O Monitor [4:7] Trap Range
Register for Devices 4–7 (PM—D31:F0)........................9-57
9.8.1.7
MON_TRP_MSK—I/O Monitor Trap Range Mask
Register for Devices 4–7 (PM—D31:F0)........................9-57
9.8.2
APM I/O Decode............................................................................9-58
9.8.2.1
APM_CNT—Advanced Power Management Control
Port Register...................................................................9-58
9.8.2.2
APM_STS—Advanced Power Management Status
Port Register...................................................................9-58
9.8.3
Power Management I/O Registers.................................................9-59
9.8.3.1
PM1_STS—Power Management 1 Status Register.......9-60
9.8.3.2
PM1_EN—Power Management 1 Enable Register........9-61
9.8.3.3
9.8.3.4
PM1_TMR—Power Management 1 Timer Register.......9-62
9.8.3.5
PROC_CNT—Processor Control Register.....................9-63
9.8.3.6
LV2—Level 2 Register....................................................9-64
9.8.3.7
GPE0_STS—General Purpose Event 0 Status
Register..........................................................................9-64
9.8.3.8
GPE0_EN—General Purpose Event 0 Enables
Register..........................................................................9-66
9.8.3.9
GPE1_STS—General Purpose Event 1 Status
Register..........................................................................9-67
9.8.3.10 GPE1_EN—General Purpose Event 1 Enable
Register..........................................................................9-68
9.8.3.11 SMI_EN—SMI Control and Enable Register..................9-68
9.8.3.12 SMI_STS—SMI Status Register.....................................9-70
9.8.3.13 MON_SMI—Device Monitor SMI Status and Enable
Register..........................................................................9-71
9.8.3.14 DEVACT_STS—Device Activity Status Register ...........9-72
9.8.3.15 DEVTRAP_EN—Device Trap Enable Register..............9-73
9.8.3.16 BUS_ADDR_TRACK—Bus Address Tracker Register..9-74
9.8.3.17 BUS_CYC_TRACK—Bus Cycle Tracker Register.........9-74
9.8
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