82801FB Datasheet, PDF (631/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

Intel^® High Definition Audio Controller Registers (D27:F0)
18.1.6
18.1.7
18.1.8
18.1.9
PI—Programming Interface Register
(Intel^® High Definition Audio Controller—D27:F0)
Offset:
09h
Default Value: 00h
Attribute:
Size:
RO
8 bits
Bit
7:0 Programming Interface — RO.
Description
SCC—Sub Class Code Register
(Intel^® High Definition Audio Controller—D27:F0)
Address Offset: 0Ah
Default Value: 03h
Attribute:
Size:
RO
8 bits
Bit
Sub Class Code (SCC) — RO.
7:0
03h = Audio Device
Description
BCC—Base Class Code Register
(Intel^® High Definition Audio Controller—D27:F0)
Address Offset: 0Bh
Default Value: 04h
Attribute:
Size:
RO
8 bits
Bit
Base Class Code (BCC) — RO.
7:0
04h = Multimedia device
Description
CLS—Cache Line Size Register
(Intel^® High Definition Audio Controller—D27:F0)
Address Offset: 0Ch
Default Value: 00h
Attribute:
Size:
R/W
8 bits
Bit
Description
7:0 Cache Line Size — R/W. Implemented as R/W register, but has no functional impact to the ICH6
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet
631