82801BA Datasheet, PDF (13/498 Pages) Intel Corporation – Intel 82801BA I/O Controller Hub 2 (ICH2) and Intel 82801BAM I/O Controller Hub 2 Mobile

8.1.10 PBUS_NUM—Primary Bus Number Register
(HUB-PCI—D30:F0) ........................................................................8-6
8.1.11 SBUS_NUM—Secondary Bus Number Register
(HUB-PCI—D30:F0) ........................................................................8-6
8.1.12 SUB_BUS_NUM—Subordinate Bus Number Register
(HUB-PCI—D30:F0) ........................................................................8-6
8.1.13 SMLT—Secondary Master Latency Timer Register
(HUB-PCI—D30:F0) ........................................................................8-6
8.1.14 IOBASE—I/O Base Register (HUB-PCI—D30:F0) ..........................8-7
8.1.15 IOLIM—I/O Limit Register (HUB-PCI—D30:F0) ..............................8-7
8.1.16 SECSTS—Secondary Status Register (HUB-PCI—D30:F0)...........8-8
8.1.17 MEMBASE—Memory Base Register (HUB-PCI—D30:F0) .............8-9
8.1.18 MEMLIM—Memory Limit Register (HUB-PCI—D30:F0) .................8-9
8.1.19 PREF_MEM_BASE—Prefetchable Memory Base Register
(HUB-PCI—D30:F0) ........................................................................8-9
8.1.20 PREF_MEM_MLT—Prefetchable Memory Limit Register
(HUB-PCI—D30:F0) ......................................................................8-10
8.1.21 IOBASE_HI—I/O Base Upper 16 Bits Register
(HUB-PCI—D30:F0) ......................................................................8-10
8.1.22 IOLIM_HI—I/O Limit Upper 16 Bits Register
(HUB-PCI—D30:F0) ......................................................................8-10
8.1.23 INT_LINE—Interrupt Line Register (HUB-PCI—D30:F0) ..............8-10
8.1.24 BRIDGE_CNT—Bridge Control Register (HUB-PCI—D30:F0) .....8-11
8.1.25 BRIDGE_CNT2—Bridge Control Register 2
(HUB-PCI—D30:F0) ......................................................................8-11
8.1.26 CNF—ICH2 Configuration Register (HUB-PCI—D30:F0) .............8-12
8.1.27 MTT—Multi-Transaction Timer Register (HUB-PCI—D30:F0) ......8-12
8.1.28 PCI_MAST_STS—PCI Master Status Register
(HUB-PCI—D30:F0) ......................................................................8-13
8.1.29 ERR_CMD—Error Command Register (HUB-PCI—D30:F0) ........8-13
8.1.30 ERR_STS—Error Status Register (HUB-PCI—D30:F0)................8-14
9
LPC Interface Bridge Registers (D31:F0) ..................................................................9-1
9.1 PCI Configuration Registers (D31:F0) ..........................................................9-1
9.1.1 VID—Vendor ID Register (LPC I/F—D31:F0) ..................................9-2
9.1.2 DID—Device ID Register (LPC I/F—D31:F0) ..................................9-2
9.1.3 PCICMD—PCI COMMAND Register (LPC I/F—D31:F0) ................9-3
9.1.4 PCISTS—PCI Device Status (LPC I/F—D31:F0) ............................9-4
9.1.5 REVID—Revision ID Register (LPC I/F—D31:F0)...........................9-4
9.1.6 PI—Programming Interface (LPC I/F—D31:F0) ..............................9-5
9.1.7 SCC—Sub-Class Code Register (LPC I/F—D31:F0) ......................9-5
9.1.8 BCC—Base-Class Code Register (LPC I/F—D31:F0) ....................9-5
9.1.9 HEADTYP—Header Type Register (LPC I/F—D31:F0) ..................9-5
9.1.10 PMBASE—ACPI Base Address (LPC I/F—D31:F0)........................9-6
9.1.11 ACPI_CNTL—ACPI Control (LPC I/F—D31:F0)..............................9-6
9.1.12 BIOS_CNTL (LPC I/F—D31:F0) ......................................................9-7
9.1.13 TCO_CNTL—TCO Control (LPC I/F—D31:F0) ...............................9-7
9.1.14 GPIOBASE—GPIO Base Address (LPC I/F—D31:F0) ...................9-8
9.1.15 GPIO_CNTL—GPIO Control (LPC I/F—D31:F0) ............................9-8
9.1.16 PIRQ[n]_ROUT—PIRQ[A,B,C,D] Routing Control
(LPC I/F—D31:F0) ...........................................................................9-8
9.1.17 SERIRQ_CNTL—Serial IRQ Control (LPC I/F—D31:F0) ................9-9
82801BA ICH2 and 82801BAM ICH2-M Datasheet
xiii