82801FB Datasheet, PDF (653/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

Intel^® High Definition Audio Controller Registers (D27:F0)
18.2.1
18.2.2
18.2.3
GCAP—Global Capabilities Register
(Intel^® High Definition Audio Controller—D27:F0)
Memory Address: HDBAR + 00h
Default Value: 4401h
Attribute:
Size:
RO
16 bits
Bit
Description
15:12
11:8
7:3
2
1
0
Number of Output Stream Supported — RO. Hardwired to 0100b indicating that the ICH6 Intel High
Definition Audio controller supports 4 output streams.
Number of Input Stream Supported — RO. Hardwired to 0100b indicating that the ICH6 Intel High
Definition Audio controller supports 4 input streams.
Number of Bidirectional Stream Supported — RO. Hardwired to 0 indicating that the ICH6 Intel High
Definition Audio controller supports 0 bidirectional stream.
Reserved.
Number of Serial Data Out Signals — RO. Hardwired to 0 indicating that the ICH6 Intel High
Definition Audio controller supports 1 serial data output signal.
64-bit Address Supported — RO. Hardwired to 1b indicating that the ICH6 Intel High Definition
Audio controller supports 64-bit addressing for BDL addresses, data buffer addressees, and
command buffer addresses.
VMIN—Minor Version Register
(Intel^® High Definition Audio Controller—D27:F0)
Memory Address: HDBAR + 02h
Default Value: 00h
Attribute:
Size:
RO
8 bits
Bit
Description
7:0
Minor Version — RO. Hardwired to 0 indicating that the Intel^® ICH6 supports minor revision number
00h of the Intel High Definition Audio specification.
VMAJ—Major Version Register
(Intel^® High Definition Audio Controller—D27:F0)
Memory Address: HDBAR + 03h
Default Value: 01h
Attribute:
Size:
RO
8 bits
Bit
Description
7:0
Major Version — RO. Hardwired to 01h indicating that the Intel^® ICH6 supports major revision
number 1 of the Intel High Definition Audio specification.
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet
653