82801FB Datasheet, PDF (650/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

Intel^® High Definition Audio Controller Registers (D27:F0)
Table 18-2. Intel^® High Definition Audio PCI Register Address Map
(Intel^® High Definition Audio
D27:F0) (Sheet 2 of 4)
HDBAR +
Offset
4Dh
4Eh
50–53h
54–57h
58–59h
5A–5Bh
5Ch
5Dh
5Eh
60–63h
64–67h
68–69h
70–73h
74–77h
80–82h
83h
84–87h
88–8Bh
8C–8Dh
8E–8F
90–91h
92–93h
98–9Bh
9C–9Fh
A0–A2h
A3h
A4–A7h
A8–ABh
AC–ADh
AE–AFh
B0–B1h
B2–B3h
B8–BBh
Mnemonic
Register Name
CORBST
CORBSIZE
RIRBLBASE
RIRBUBASE
RIRBWP
RINTCNT
RIRBCTL
RIRBSTS
RIRBSIZE
IC
IR
IRS
DPLBASE
DPUBASE
ISD0CTL
ISD0STS
ISD0LPIB
ISD0CBL
ISD0LVI
ISD0FIFOW
ISD0FIFOS
ISD0FMT
ISD0BDPL
ISD0BDPU
ISD1CTL
ISD1STS
ISD1LPIB
ISD1CBL
ISD1LVI
ISD1FIFOW
ISD1FIFOS
ISD1FMT
ISD1BDPL
CORB Status
CORB Size
RIRB Lower Base Address
RIRB Upper Base Address
RIRB Write Pointer
Response Interrupt Count
RIRB Control
RIRB Status
RIRB Size
Immediate Command
Immediate Response
Immediate Command Status
DMA Position Lower Base Address
DMA Position Upper Base Address
Input Stream Descriptor 0 (ISD0) Control
ISD0 Status
ISD0 Link Position in Buffer
ISD0 Cyclic Buffer Length
ISD0 Last Valid Index
ISD0 FIFO Watermark
ISD0 FIFO Size
ISD0 Format
ISD0 Buffer Descriptor List Pointer-Lower Base
Address
ISD0 Buffer Description List Pointer-Upper
Base Address
Input Stream Descriptor 1(ISD01) Control
ISD1 Status
ISD1 Link Position in Buffer
ISD1 Cyclic Buffer Length
ISD1 Last Valid Index
ISD1 FIFO Watermark
ISD1 FIFO Size
ISD1 Format
ISD1 Buffer Descriptor List Pointer-Lower Base
Address
Default
00h
42h
00000000h
00000000h
0000h
0000h
00h
00h
42h
00000000h
00000000h
0000h
00000000h
00000000h
040000h
00h
00000000h
00000000h
0000h
0004h
0077h
0000h
00000000h
00000000h
040000h
00h
00000000h
00000000h
0000h
0004h
0077h
0000h
00000000h
Access
R/WC
RO
R/W, RO
R/W
R/W, RO
R/W
R/W
R/WC
RO
R/W
RO
R/W, R/WC
R/W, RO
R/W
R/W, RO
R/WC, RO
RO
R/W
R/W
R/W
RO
R/W
R/W, RO
R/W
R/W, RO
R/WC, RO
RO
R/W
R/W
R/W
RO
R/W
R/W, RO
650
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet