NH82801HBM S LB9A Intel, NH82801HBM S LB9A Datasheet - Page 675
NH82801HBM S LB9A
Manufacturer Part Number
NH82801HBM S LB9A
Description
CONTROLLER HUB, ICH8M, I/O, 82801HBM
Manufacturer
Intel
Datasheet
1.NH82801HBM_S_LB9A.pdf
(890 pages)
Specifications of NH82801HBM S LB9A
Power Dissipation Pd
2.4W
Digital Ic Case Style
BGA
No. Of Pins
676
Pci Bus Type
I/O Controller Hub
Pci Express Base Spec
PCIe 1.1
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Intel
17.2.10
17.2.11
Intel
®
®
ICH8 Family Datasheet
High Definition Audio Controller Registers (D27:F0)
ECAP—Extended Capabilities
(Intel
Memory Address:HDBAR + 14h
Default Value:
OUTSTRMPAY—Output Stream Payload Capability
(Intel
Memory Address:HDBAR + 18h
Default Value:
15:14
31:1
13:0
Bit
Bit
0
Reserved
Docking Supported (DS)— R/WO. A 1 indicates that Intel
Audio Docking. The GCTL.DA bit is only writable when this DS bit is 1. Intel HD Audio
driver software should only branch to its docking routine when this DS bit is 1. BIOS
may clear this bit to 0 to prohibit the Intel HD Audio driver software from attempting to
run the docking routines.
Note that this bit is reset to its default value only on a PLTRST#, but not on a CRST# or
D3
Output FIFO Padding Type (OPADTYPE)— RO. This field indicates how the
controller pads the samples in the controller's buffer (FIFO). Controllers may not pad at
all or may pad to byte or memory container sizes.
0h = Controller pads all samples to bytes
1h = Reserved
2h = Controller pads to memory container size
3h = Controller does not pad and uses samples directly
Output Stream Payload Capability (OUTSTRMPAY)— RO. This field indicates
maximum number of words per frame for any single output stream. This measurement
is in 16-bit word quantities per 48 kHz frame. The maximum supported is 48 Words
(96B); therefore, a value of 30h is reported in this register. The value does not specify
the number of words actually transmitted in the frame, but is the size of the data in the
controller buffer (FIFO) after the samples are padded as specified by OPADTYPE. Thus,
to compute the supported streams, each sample is padded according to OPADTYPE and
then multiplied by the number of channels and samples per frame. If this computed
value is larger than OUTSTRMPAY, then that stream is not supported. The value
specified is not affected by striping.
Software must ensure that a format which would cause more Words per frame than
indicated is not programmed into the Output Stream Descriptor Register.
The value may be larger than the OUTPAY register value in some cases.
®
®
hot
High Definition Audio Controller—D27:F0)
High Definition Audio Controller—D27:F0)
-to-D0 transition.
00000001h
0030h
Description
Description
Attribute:
Size:
Attribute:
Size:
®
R/WO
32 bits
RO
16 bits
ICH8 supports Intel
®
HD
675
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