82NM10 Datasheet, PDF (591/671 Pages) Intel Corporation – Intel® NM10 Family Express Chipset

Intel HD Audio Controller Registers (D27:F0)
18.1.46 ESD—Element Self Description Register
(Intel HD Audio Controller—D27:F0)
Address Offset: 134h–137h
Default Value: 0F000100h
Attribute:
Size:
RO
32 bits
Bit
Description
31:24 Port Number — RO. Hardwired to 0Fh indicating that the Intel HD Audio controller is
assigned as Port #15d.
23:16 Component ID — RO. This field returns the value of the ESD.CID field of the chip
configuration section. ESD.CID is programmed by BIOS.
15:8 Number of Link Entries — RO. The Intel High Definition Audio only connects to one
device, the Chipset egress port. Therefore this field reports a value of 1h.
7:4 Reserved.
3:0 Element Type (ELTYP) — RO. The Intel High Definition Audio controller is an
integrated Root Complex Device. Therefore, the field reports a value of 0h.
18.1.47 L1DESC—Link 1 Description Register
(Intel HD Audio Controller—D27:F0)
Address Offset: 140h–143h
Default Value: 00000001h
Attribute:
Size:
RO
32 bits
Bit
Description
31:24 Target Port Number — RO. The Intel High Definition Audio controller targets the
chipset’s Port #0.
23:16 Target Component ID — RO. This field returns the value of the ESD.CID field of the
chip configuration section. ESD.CID is programmed by BIOS.
15:2 Reserved.
1 Link Type — RO. Hardwired to 0 indicating Type 0.
0 Link Valid — RO. Hardwired to 1.
18.1.48 L1ADDL—Link 1 Lower Address Register
(Intel HD Audio Controller—D27:F0)
Address Offset: 148h–14Bh
Attribute:
Default Value: See Register Description Size:
RO
32 bits
Bit
Description
31:14 Link 1 Lower Address — RO. Hardwired to match the RCBA register value in the PCI-
LPC bridge (D31:F0:F0h).
13:0 Reserved.
Datasheet
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