82NM10 Datasheet, PDF (596/671 Pages) Intel Corporation – Intel® NM10 Family Express Chipset

Intel HD Audio Controller Registers (D27:F0)
Table 18-147.Intel HD Audio PCI Register Address Map
(Intel HD Audio D27:F0) (Sheet 5 of 5)
HDBAR +
Offset
Mnemonic
Register Name
164h–167h
168h–16Bh
16Ch–16Dh
16Eh–16Fh
170h–171h
172h–173h
178h–17Bh
17Ch–17Fh
OSD3LPIB
OSD3CBL
OSD3LVI
OSD3FIFOW
OSD3FIFOS
OSD3FMT
OSD3BDPL
OSD3BDPU
OSD3 Link Position in Buffer
OSD3 Cyclic Buffer Length
OSD3 Last Valid Index
OSD3 FIFO Watermark
OSD3 FIFO Size
OSD3 Format
OSD3 Buffer Descriptor List Pointer-
Lower Base Address
OSD3 Buffer Description List Pointer-
Upper Base Address
Default
Access
00000000h
00000000h
0000h
0004h
00BFh
0000h
00000000h
RO
R/W
R/W
R/W
R/W
R/W
R/W, RO
00000000h
R/W
18.2.1
GCAP—Global Capabilities Register
(Intel HD Audio Controller—D27:F0)
Memory Address:HDBAR + 00h
Default Value: 4401h
Attribute:
Size:
RO
16 bits
Bit
Description
15:12 Number of Output Stream Supported — RO. Hardwired to 0100b indicating that the
Chipset Intel HD Audio controller supports 4 output streams.
11:8 Number of Input Stream Supported — RO. Hardwired to 0100b indicating that the
Chipset Intel High Definition Audio controller supports 4 input streams.
7:3 Number of Bidirectional Stream Supported — RO. Hardwired to 0 indicating that
the Chipset Intel High Definition Audio controller supports 0 bidirectional stream.
2 Reserved.
1 Number of Serial Data Out Signals — RO. Hardwired to 0 indicating that the Chipset
Intel High Definition Audio controller supports 1 serial data output signal.
0 64-bit Address Supported — RO. Hardwired to 1b indicating that the Chipset Intel
High Definition Audio controller supports 64-bit addressing for BDL addresses, data
buffer addressees, and command buffer addresses.
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Datasheet