NH82801HBM S LB9A Intel, NH82801HBM S LB9A Datasheet - Page 658

• 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

17.1.34
658
DEVC—Device Control Register
(Intel
Address Offset: 78h-79h
Default Value:
14:12
7:5
Bit
15
11
10
9
8
4
3
2
1
0
Reserved
Max Read Request Size — RO. Hardwired to 0 enabling 128B maximum read request
size.
No Snoop Enable (NSNPEN) — R/W.
0 = The Intel
1 = The Intel High Definition Audio controller is permitted to set the No Snoop bit in the
NOTE: This bit is not reset on D3
Auxiliary Power Enable — RO. Hardwired to 0, indicating that Intel High Definition Audio
device does not draw AUX power
Phantom Function Enable — RO. Hardwired to 0 disabling phantom functions.
Extended Tag Field Enable — RO. Hardwired to 0 enabling 5-bit tag.
Max Payload Size — RO. Hardwired to 0 indicating 128B.
Enable Relaxed Ordering — RO. Hardwired to 0 disabling relaxed ordering.
Unsupported Request Reporting Enable — RO. Not implemented. Hardwired to 0.
Fatal Error Reporting Enable — RO. Not implemented. Hardwired to 0.
Non-Fatal Error Reporting Enable — RO. Not implemented. Hardwired to 0.
Correctable Error Reporting Enable — RO. Not implemented. Hardwired to 0.
®
High Definition Audio Controller—D27:F0)
case, isochronous transfers will not use VC1 (VCi) even if it is enabled since VC1 is
never snooped. Isochronous transfers will use VC0.
Requester Attributes of a bus master transaction. In this case, VC0 or VC1 may be
used for isochronous transfers.
0800h
®
High Definition Audio controller will not set the No Snoop bit. In this
Intel
HOT
®
Description
to D0 transition; however, it is reset by PLTRST#.
High Definition Audio Controller Registers (D27:F0)
Attribute:
Size:
R/W, RO
16 bits
Intel
®
ICH8 Family Datasheet