82801CA Datasheet, PDF (15/521 Pages) Intel Corporation – I/O Controller Hub 3-S (ICH3-S)

9.4.4 ICW3—Master Controller Initialization Command Word 3
Register........................................................................................... 310
9.4.5 ICW3—Slave Controller Initialization Command Word 3 Register .311
9.4.6 ICW4—Initialization Command Word 4 Register ............................311
9.4.7 OCW1—Operational Control Word 1 (Interrupt Mask) Register .....311
9.4.8 OCW2—Operational Control Word 2 Register ...............................312
9.4.9 OCW3—Operational Control Word 3 Register ...............................313
9.4.10 ELCR1—Master Controller Edge/Level Triggered Register ...........314
9.4.11 ELCR2—Slave Controller Edge/Level Triggered Register .............315
9.5 Advanced Interrupt Controller (APIC) ..........................................................316
9.5.1 APIC Register Map .........................................................................316
9.5.2 IND—Index Register .......................................................................316
9.5.3 DAT—Data Register .......................................................................317
9.5.4 IRQPA—IRQ Pin Assertion Register ..............................................317
9.5.5 EOIR—EOI Register .......................................................................318
9.5.6 ID—Identification Register ..............................................................318
9.5.7 VER—Version Register ..................................................................319
9.5.8 ARBID—Arbitration ID Register ......................................................319
9.5.9 BOOT_CONFIG—Boot Configuration Register ..............................319
9.5.10 Redirection Table............................................................................320
9.6 Real Time Clock Registers ..........................................................................322
9.6.1 I/O Register Address Map...............................................................322
9.6.2 Indexed Registers ...........................................................................323
9.6.2.1 RTC_REGA—Register A.................................................324
9.6.2.2 RTC_REGB—Register B (General Configuration) ..........325
9.6.2.3 RTC_REGC—Register C (Flag Register) .......................326
9.6.2.4 RTC_REGD—Register D (Flag Register) .......................326
9.7 Processor Interface Registers......................................................................327
9.7.1 NMI_SC—NMI Status and Control Register ...................................327
9.7.2 NMI_EN—NMI Enable (and Real Time Clock Index) Register .......328
9.7.3 PORT92—Fast A20 and Init Register.............................................328
9.7.4 COPROC_ERR—Coprocessor Error Register ...............................328
9.7.5 RST_CNT—Reset Control Register ...............................................329
9.8 Power Management Registers (D31:F0) .....................................................330
9.8.1 Power Management PCI Configuration Registers (D31:F0) ...........330
9.8.1.1 GEN_PMCON_1—General PM Configuration 1
Register (PM—D31:F0) ...................................................331
9.8.1.2 GEN_PMCON_2—General PM Configuration 2
Register (PM—D31:F0) ...................................................331
9.8.1.3 GEN_PMCON_3—General PM Configuration 3
Register (PM—D31:F0) ...................................................332
9.8.1.4 STPCLK_DEL—Stop Clock Delay Register
(PM—D31:F0) .................................................................332
9.8.1.5 GPI_ROUT—GPI Routing Control Register
(PM—D31:F0) .................................................................333
9.8.1.6 TRP_FWD_EN—I/O Monitor Trap Forwarding
Enable Register (PM—D31:F0).......................................333
9.8.1.7 MON[n]_TRP_RNG—I/O Monitor [4:7] Trap
Range Register for Devices 4–7 (PM—D31:F0) .............334
9.8.1.8 MON_TRP_MSK—I/O Monitor Trap Range Mask
Register for Devices 4-7 (PM—D31:F0)..........................334
Intel^® 82801CA ICH3-S Datasheet
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