82801BA Datasheet, PDF (16/498 Pages) Intel Corporation – Intel 82801BA I/O Controller Hub 2 (ICH2) and Intel 82801BAM I/O Controller Hub 2 Mobile

9.8.3 Power Management I/O Registers.................................................9-61
9.8.3.1 PM1_STS—Power Management 1 Status Register.......9-62
9.8.3.2 PM1_EN—Power Management 1 Enable Register........9-64
9.8.3.3 PM1_CNT—Power Management 1 Control Register .....9-65
9.8.3.4 PM1_TMR—Power Management 1 Timer Register .......9-66
9.8.3.5 PROC_CNT—Processor Control Register .....................9-66
9.8.3.6 LV2—Level 2 Register ...................................................9-67
9.8.3.7 LV3—Level 3 Register (82801BAM ICH2-M) .................9-67
9.8.3.8 PM2_CNT—Power Management 2 Control
(82801BAM ICH2-M)......................................................9-68
9.8.3.9 GPE0_STS—General Purpose Event 0 Status
Register ..........................................................................9-68
9.8.3.10 GPE0_EN—General Purpose Event 0 Enables
Register ..........................................................................9-70
9.8.3.11 GPE1_STS—General Purpose Event 1 Status
Register ..........................................................................9-71
9.8.3.12 GPE1_EN—General Purpose Event 1 Enable
Register ..........................................................................9-72
9.8.3.13 SMI_EN—SMI Control and Enable Register ..................9-72
9.8.3.14 SMI_STS—SMI Status Register ....................................9-74
9.8.3.15 MON_SMI—Device Monitor SMI Status and Enable
Register ..........................................................................9-75
9.8.3.16 DEVACT_STS—Device Activity Status Register ...........9-76
9.8.3.17 DEVTRAP_EN—Device Trap Enable Register ..............9-77
9.8.3.18 BUS_ADDR_TRACK—Bus Address Tracker Register ..9-78
9.8.3.19 BUS_CYC_TRACK—Bus Cycle Tracker Register .........9-78
9.8.3.20 SS_CNT— SpeedStep™ Control Register
(82801BAM ICH2-M)......................................................9-78
9.9 System Management TCO Registers (D31:F0) ..........................................9-79
9.9.1 TCO Register I/O Map ...................................................................9-79
9.9.2 TCO1_RLD—TCO Timer Reload and Current Value Register......9-79
9.9.3 TCO1_TMR—TCO Timer Initial Value Register ............................9-80
9.9.4 TCO1_DAT_IN—TCO Data In Register ........................................9-80
9.9.5 TCO1_DAT_OUT—TCO Data Out Register..................................9-80
9.9.6 TCO1_STS—TCO1 Status Register..............................................9-80
9.9.7 TCO2_STS—TCO2 Status Register..............................................9-82
9.9.8 TCO1_CNT—TCO1 Control Register............................................9-83
9.9.9 TCO2_CNT—TCO2 Control Register............................................9-83
9.9.10 TCO_MESSAGE1 and TCO_MESSAGE2 Registers ....................9-84
9.9.11 TCO_WDSTATUS—TCO2 Control Register .................................9-84
9.9.12 SW_IRQ_GEN—Software IRQ Generation Register.....................9-84
9.10 General Purpose I/O Registers (D31:F0) ...................................................9-85
9.10.1 GPIO Register I/O Address Map....................................................9-87
9.10.2 GPIO_USE_SEL—GPIO Use Select Register ..............................9-87
9.10.3 GP_IO_SEL—GPIO Input/Output Select Register ........................9-88
9.10.4 GP_LVL—GPIO Level for Input or Output Register.......................9-89
9.10.5 GPO_BLINK—GPO Blink Enable Register....................................9-90
9.10.6 GPI_INV—GPIO Signal Invert Register.........................................9-91
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82801BA ICH2 and 82801BAM ICH2-M Datasheet