82801FB Datasheet, PDF (637/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

Intel^® High Definition Audio Controller Registers (D27:F0)
18.1.21
PID—PCI Power Management Capability ID Register
(Intel^® High Definition Audio Controller—D27:F0)
Address Offset: 50h
Default Value: 6001h
Attribute:
Size:
RO
16 bits
Bit
Description
15:8
Next Capability (Next) — RO. Hardwired to 60h. This field points to the next capability structure
(MSI)
7:0
Cap ID (CAP) — RO. Hardwired to 01h. This field indicates that this pointer is a PCI power
management capability.
18.1.22
PC—Power Management Capabilities Register
(Intel^® High Definition Audio Controller—D27:F0)
Address Offset: 52h
Default Value: C842h
Attribute:
Size:
RO
16 bits
Bit
Description
15:11
10
9
8:6
5
4
3
2:0
PME Support — RO. Hardwired to 11001b. This field indicates PME# can be generated from D3 and
D0 states.
D2 Support — RO. Hardwired to 0. This bit indicates that D2 state is not supported.
D1 Support —RO. Hardwired to 0. This bit indicates that D1 state is not supported.
Aux Current — RO. Hardwired to 001b. Reports 55 mA maximum suspend well current required
when in the D3_COLD state.
Device Specific Initialization (DSI) — RO. Hardwired to 0. Indicates that no device specific
initialization is required.
Reserved
PME Clock (PMEC) — RO. Does not apply. Hardwired to 0.
Version — RO. Hardwired to 010b. This field indicates support for version 1.1 of the PCI Power
Management Specification.
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet
637