307013-003 Datasheet, PDF (619/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

AC ’97 Audio Controller Registers (D30:F2) (Desktop and Mobile Only)
16 AC ’97 Audio Controller
Registers (D30:F2) (Desktop
and Mobile Only)
Note:
AC ‘97 is not supported on ICH7-U Ultra Mobile.
16.1
AC ’97 Audio PCI Configuration Space
(Audio—D30:F2)
Note:
Registers that are not shown should be treated as Reserved.
Table 16-1. AC ‘97 Audio PCI Register Address Map (Audio—D30:F2)
Offset Mnemonic
Register Name
Default
Access
00h–01h
02h–03h
04h–05h
06h–07h
08h
09h
0Ah
0Bh
0Eh
10h–13h
14h–17h
18h–1Bh
1Ch–1Fh
2Ch–2Dh
2Eh–2Fh
34h
3Ch
3Dh
40h
41h
50h–51h
52h–53h
54h–55h
VID
Vendor Identification
DID
Device Identification
PCICMD
PCISTS
PCI Command
PCI Status
RID
Revision Identification
PI
SCC
BCC
HEADTYP
NAMBAR
NABMBAR
MMBAR
MBBAR
SVID
SID
CAP_PTR
INT_LN
Programming Interface
Sub Class Code
Base Class Code
Header Type
Native Audio Mixer Base Address
Native Audio Bus Mastering Base Address
Mixer Base Address (Mem)
Bus Master Base Address (Mem)
Subsystem Vendor Identification
Subsystem Identification
Capabilities Pointer
Interrupt Line
INT_PN Interrupt Pin
PCID
CFG
PID
PC
Programmable Codec ID
Configuration
PCI Power Management Capability ID
PC -Power Management Capabilities
PCS
Power Management Control and Status
8086h
See register
description.
0000h
0280h
See register
description
00
01h
04h
00h
00000001h
00000001h
00000000h
00000000h
0000h
0000h
50h
00h
See register
description
09h
00h
0001h
C9C2h
0000h
RO
RO
R/W, RO
R/WC, RO
RO
RO
RO
RO
RO
R/W, RO
R/W, RO
R/W, RO
R/W, RO
R/WO
R/WO
RO
R/W
RO
R/W
R/W
RO
RO
R/W, R/
WC
Intel ^® ICH7 Family Datasheet
619