307013-003 Datasheet, PDF (716/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

Intel® High Definition Audio Controller Registers (D27:F0)
19.1.22 DCKSTS—Docking Status Register
(Intel^® High Definition Audio Controller—D27:F0) (Mobile
Only)
Address Offset: 4Dh
Default Value: 80h
Attribute:
Size:
R/WO, RO
8 bits
Bit
Description
7
BIOS is required to clear this bit.
6:1 Reserved.
0)
Reserved.
19.1.23 PID—PCI Power Management Capability ID Register
(Intel^® High Definition Audio Controller—D27:F0)
Address Offset: 50h–51h
Default Value: 6001h
Attribute:
Size:
RO
16 bits
Bit
Description
15:8
7:0
Next Capability (Next) — RO. Hardwired to 60h. Points to the next capability structure
(MSI)
Cap ID (CAP) — RO. Hardwired to 01h. Indicates that this pointer is a PCI power
management capability.
19.1.24 PC—Power Management Capabilities Register
(Intel^® High Definition Audio Controller—D27:F0)
Address Offset: 52h–53h
Default Value: C842h
Attribute:
Size:
RO
16 bits
Bit
Description
15:11
PME Support — RO. Hardwired to 11001b. Indicates PME# can be generated from D3
and D0 states.
10 D2 Support — RO. Hardwired to 0. Indicates that D2 state is not supported.
9 D1 Support —RO. Hardwired to 0. Indicates that D1 state is not supported.
8:6
Aux Current — RO. Hardwired to 001b. Reports 55 mA maximum suspend well current
required when in the D3_COLD state.
5
Device Specific Initialization (DSI) — RO. Hardwired to 0. Indicates that no device
specific initialization is required.
4 Reserved
3 PME Clock (PMEC) — RO. Does not apply. Hardwired to 0.
2:0
Version — RO. Hardwired to 010b. Indicates support for version 1.1 of the PCI Power
Management Specification.
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Intel ^® ICH7 Family Datasheet