18.1.5
18.1.6
18.1.7
18.1.8
18.1.9
18.1.10
18.1.11
18.1.12
18.1.13
18.1.14
18.1.15
18.1.16
18.1.17
18.1.18
18.1.19
18.1.20
18.1.21
18.1.22
18.1.23
18.1.24
18.1.25
RID – Revision Identification Register (PCI-PCI – D30:F0) ....................... 617
CC – Class Code Register (PCI-PCI – D30:F0) ........................................ 617
PMLT – Primary Master Latency Timer Register
(PCI-PCI – D30:F0) ............................................................................ 617
HEADTYP – Header Type Register (PCI-PCI – D30:F0)............................. 618
BNUM – Bus Number Register (PCI-PCI – D30:F0).................................. 618
SMLT – Secondary Master Latency Timer Register
(PCI-PCI – D30:F0) ............................................................................ 618
IOBASE_LIMIT – I/O Base and Limit Register
(PCI-PCI – D30:F0) ............................................................................ 619
SECSTS – Secondary Status Register (PCI-PCI – D30:F0)........................ 619
MEMBASE_LIMIT – Memory Base and Limit Register
(PCI-PCI – D30:F0) ............................................................................ 620
PREF_MEM_BASE_LIMIT – Prefetchable Memory Base
and Limit Register (PCI-PCI – D30:F0) .................................................. 620
PMBU32 – Prefetchable Memory Base Upper 32 Bits
Register (PCI-PCI – D30:F0)................................................................ 621
PMLU32 – Prefetchable Memory Limit Upper 32 Bits
Register (PCI-PCI – D30:F0)................................................................ 621
CAPP – Capability List Pointer Register (PCI-PCI – D30:F0) ...................... 621
INTR – Interrupt Information Register (PCI-PCI – D30:F0) ...................... 621
BCTRL – Bridge Control Register (PCI-PCI – D30:F0) .............................. 621
SPDH – Secondary PCI Device Hiding Register
(PCI-PCI – D30:F0) ............................................................................ 623
DTC – Delayed Transaction Control Register
(PCI-PCI – D30:F0) ............................................................................ 623
BPS – Bridge Proprietary Status Register
(PCI-PCI – D30:F0) ............................................................................ 624
BPC – Bridge Policy Configuration Register
(PCI-PCI – D30:F0) ............................................................................ 625
SVCAP – Subsystem Vendor Capability Register
(PCI-PCI – D30:F0) ............................................................................ 625
SVID – Subsystem Vendor IDs Register (PCI-PCI – D30:F0) .................... 625
19 AC’97 Audio Controller Registers (D30:F2) ............................................................ 627
19.1 AC’97 Audio PCI Configuration Space
(Audio – D30:F2)............................................................................................. 627
19.1.1 VID – Vendor Identification Register (Audio – D30:F2) ............................ 628
19.1.2 DID – Device Identification Register (Audio – D30:F2) ............................ 628
19.1.3 PCICMD – PCI Command Register (Audio – D30:F2) ............................... 628
19.1.4 PCISTS – PCI Status Register (Audio – D30:F2) ..................................... 629
19.1.6 PI – Programming Interface Register (Audio – D30:F2) ........................... 630
19.1.7 SCC – Sub Class Code Register (Audio – D30:F2) ................................... 630
19.1.8 BCC – Base Class Code Register (Audio – D30:F2).................................. 630
19.1.9 HEADTYP – Header Type Register (Audio – D30:F2)................................ 630
19.1.10 NAMBAR – Native Audio Mixer Base Address Register
(Audio – D30:F2) ............................................................................... 631
19.1.11 NABMBAR – Native Audio Bus Mastering Base Address
Register (Audio – D30:F2)................................................................... 631
19.1.12 MMBAR – Mixer Base Address Register (Audio – D30:F2)......................... 632
19.1.13 MBBAR – Bus Master Base Address Register
(Audio – D30:F2) ............................................................................... 632
19.1.14 SVID – Subsystem Vendor Identification Register
(Audio – D30:F2) ............................................................................... 633
19.1.15 SID – Subsystem Identification Register (Audio – D30:F2) ...................... 633
19.1.16 CAP_PTR – Capabilities Pointer Register (Audio – D30:F2) ....................... 633
19.1.18 INT_PN – Interrupt Pin Register (Audio – D30:F2) .................................. 634
18
Intel® 631xESB/632xESB I/O Controller Hub Datasheet