307013-003 Datasheet, PDF (719/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

Intel® High Definition Audio Controller Registers (D27:F0)
19.1.30 MMD—MSI Message Data Register
(Intel^® High Definition Audio Controller—D27:F0)
Address Offset: 6Ch–6Dh
Default Value: 0000h
Attribute:
Size:
R/W
16 bits
Bit
Description
15:0 Message Data (MD) — R/W. Data used for MSI message.
19.1.31 PXID—PCI Express* Capability ID Register
(Intel^® High Definition Audio Controller—D27:F0)
(Desktop and Mobile Only)
Address Offset: 70h-71h
Default Value: 0010h
Attribute:
Size:
RO
16 bits
Bit
Description
15:8
Next Capability (Next) — RO. Hardwired to 0. Indicates that this is the last capability
structure in the list.
7:0
Cap ID (CAP) — RO. Hardwired to 10h. Indicates that this pointer is a PCI Express*
capability structure
19.1.32 PXC—PCI Express* Capabilities Register (Desktop and
Mobile Only)
(Intel^® High Definition Audio Controller—D27:F0)
Address Offset: 72h–73h
Default Value: 0091h
Attribute:
Size:
RO
16 bits
Bit
Description
15:14 Reserved
13:9 Interrupt Message Number (IMN) — RO. Hardwired to 0.
8 Slot Implemented (SI) — RO. Hardwired to 0.
7:4
Device/Port Type (DPT) — RO. Hardwired to 1001b. Indicates that this is a Root
Complex Integrated endpoint device.
3:0
Capability Version (CV) — RO. Hardwired to 0001b. Indicates version #1 PCI Express
capability
Intel ^® ICH7 Family Datasheet
719