NH82801HBM S LB9A Intel, NH82801HBM S LB9A Datasheet - Page 682

• Manufacturer Part Number: NH82801HBM S LB9A
• Description: CONTROLLER HUB, ICH8M, I/O, 82801HBM
• Manufacturer: Intel

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

17.2.22
17.2.23
17.2.24
682
CORBST—CORB Status Register
(Intel
Memory Address:HDBAR + 4Dh
Default Value:
CORBSIZE—CORB Size Register
Intel
Memory Address:HDBAR + 4Eh
Default Value:
RIRBLBASE—RIRB Lower Base Address Register
(Intel
Memory Address:HDBAR + 50h
Default Value:
31:7
7:1
7:4
3:2
1:0
6:0
Bit
Bit
Bit
0
®
Reserved.
CORB Memory Error Indication (CMEI) — R/WC. Software can clear this bit by
writing a 1 to it. However, this type of error leaves the audio subsystem in an un-viable
state and typically required a controller reset by writing a 0 to the Controller Reset # bit
(HDBAR + 08h: bit 0).
0 = Error Not detected.
1 = Controller has detected an error in the path way between the controller and
CORB Size Capability — RO. Hardwired to 0100b indicating that the ICH8 only supports
a CORB size of 256 CORB entries (1024B).
Reserved.
CORB Size — RO. Hardwired to 10b which sets the CORB size to 256 entries (1024B).
CORB Lower Base Address — R/W. This field provides the lower address of the
Response Input Ring Buffer, allowing the RIRB base address to be assigned on any
128-B boundary. This register field must not be written when the DMA engine is
running or the DMA transfer may be corrupted.
RIRB Lower Base Unimplemented Bits — RO. Hardwired to 0. This required the RIRB to
be allocated with 128-B granularity to allow for cache line fetch optimizations.
®
®
High Definition Audio Controller—D27:F0)
High Definition Audio Controller—D27:F0)
High Definition Audio Controller—D27:F0)
memory. This may be an ECC bit error or any other type of detectable data error
which renders the command data fetched invalid.
00h
42h
00000000h
Intel
®
Description
Description
Description
High Definition Audio Controller Registers (D27:F0)
Size:
Attribute:
Size:
Attribute:
Size:
Attribute:
R/WC
8 bits
RO
8 bits
R/W, RO
32 bits
Intel
®
ICH8 Family Datasheet