82801BA Datasheet, PDF (18/498 Pages) Intel Corporation – Intel 82801BA I/O Controller Hub 2 (ICH2) and Intel 82801BAM I/O Controller Hub 2 Mobile

11.2.3 USBINTR—Interrupt Enable Register..........................................11-12
11.2.4 FRNUM—Frame Number Register..............................................11-12
11.2.5 FRBASEADD—Frame List Base Address ...................................11-13
11.2.6 SOFMOD—Start of Frame Modify Register.................................11-13
11.2.7 PORTSC[0,1]—Port Status and Control Register........................11-14
12
SMBus Controller Registers (D31:F3) .....................................................................12-1
12.1 PCI Configuration Registers (SMBUS—D31:F3)........................................12-1
12.1.1 VID—Vendor Identification Register (SMBUS—D31:F3)...............12-1
12.1.2 DID—Device Identification Register (SMBUS—D31:F3) ...............12-1
12.1.3 CMD—Command Register (SMBUS—D31:F3).............................12-2
12.1.4 STA—Device Status Register (SMBUS—D31:F3) ........................12-2
12.1.5 RID—Revision ID Register (SMBUS—D31:F3).............................12-3
12.1.6 PI—Programming Interface (SMBUS—D31:F3)............................12-3
12.1.7 SCC—Sub Class Code Register (SMBUS—D31:F3)....................12-3
12.1.8 BCC—Base Class Code Register (SMBUS—D31:F3) ..................12-3
12.1.9 SMB_BASE—SMBus Base Address Register
(SMBUS—D31:F3) ........................................................................12-4
12.1.10 SVID—Subsystem Vendor ID (SMBUS—D31:F2/F4) ...................12-4
12.1.11 SID—Subsystem ID (SMBUS—D31:F2/F4) ..................................12-4
12.1.12 INTR_LN—Interrupt Line Register (SMBUS—D31:F3) .................12-4
12.1.13 INTR_PN—Interrupt Pin Register (SMBUS—D31:F3) ..................12-5
12.1.14 HOSTC—Host Configuration Register (SMBUS—D31:F3) ...........12-5
12.2 SMBus I/O Registers ..................................................................................12-6
12.2.1 HST_STS—Host Status Register ..................................................12-7
12.2.2 HST_CNT—Host Control Register ................................................12-8
12.2.3 HST_CMD—Host Command Register...........................................12-9
12.2.4 XMIT_SLVA—Transmit Slave Address Register ...........................12-9
12.2.5 HST_D0—Data 0 Register.............................................................12-9
12.2.6 HST_D1—Data 1 Register.............................................................12-9
12.2.7 BLOCK_DB—Block Data Byte Register ......................................12-10
12.2.8 RCV_SLVA—Receive Slave Address Register ...........................12-10
12.2.9 SLV_DATA—Receive Slave Data Register .................................12-10
12.2.10 SMLINK_PIN_CTL—SMLINK Pin Control Register.....................12-11
12.2.11 SMBUS_PIN_CTL—SMBus Pin Control Register .......................12-11
13
AC’97 Audio Controller Registers (D31:F5).............................................................13-1
13.1 AC’97 Audio PCI Configuration Space (D31:F5) ........................................13-1
13.1.1 VID—Vendor Identification Register (Audio—D31:F5) ..................13-1
13.1.2 DID—Device Identification Register (Audio—D31:F5)...................13-2
13.1.3 PCICMD—PCI Command Register (Audio—D31:F5) ...................13-2
13.1.4 PCISTS—PCI Device Status Register (Audio—D31:F5)...............13-3
13.1.5 RID—Revision Identification Register (Audio—D31:F5)................13-3
13.1.6 PI—Programming Interface Register (Audio—D31:F5) .................13-3
13.1.7 SCC—Sub Class Code Register (Audio—D31:F5) .......................13-4
13.1.8 BCC—Base Class Code Register (Audio—D31:F5)......................13-4
13.1.9 HEDT—Header Type Register (Audio—D31:F5) ..........................13-4
13.1.10 NAMBAR—Native Audio Mixer Base Address Register
(Audio—D31:F5) ............................................................................13-5
13.1.11 NABMBAR—Native Audio Bus Mastering Base Address
Register (Audio—D31:F5)..............................................................13-5
13.1.12 SVID—Subsystem Vendor ID Register (Audio—D31:F5)..............13-6
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82801BA ICH2 and 82801BAM ICH2-M Datasheet