NH82801HEM S LB9B Intel, NH82801HEM S LB9B Datasheet - Page 701
NH82801HEM S LB9B
Manufacturer Part Number
NH82801HEM S LB9B
Description
Manufacturer
Intel
Datasheet
1.NH82801HEM_S_LB9B.pdf
(890 pages)
Specifications of NH82801HEM S LB9B
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PCI Express* Configuration Registers
18.1.3
Intel
®
ICH8 Family Datasheet
PCICMD—PCI Command Register
(PCI Express—D28:F0/F1/F2/F3/F4/F5)
Address Offset: 04h–05h
Default Value:
15:11
Bit
10
9
8
7
6
5
4
3
2
1
0
Reserved
Interrupt Disable — R/W. This bit disables pin-based INTx# interrupts on enabled Hot-
Plug and power management events. This bit has no effect on MSI operation.
0 = Internal INTx# messages are generated if there is an interrupt for Hot-Plug or
1 = Internal INTx# messages will not be generated.
This bit does not affect interrupt forwarding from devices connected to the root port.
Assert_INTx and Deassert_INTx messages will still be forwarded to the internal
interrupt controllers if this bit is set.
Fast Back to Back Enable (FBE) — Reserved per the PCI Express* Base Specification.
SERR# Enable (SEE) — R/W.
0 = Disable.
1 = Enables the root port to generate an SERR# message when PSTS.SSE is set.
Wait Cycle Control (WCC) — Reserved per the PCI Express Base Specification.
Parity Error Response (PER) — R/W.
0 = Disable.
1 = Device is capable of reporting parity errors as a master on the backbone.
VGA Palette Snoop (VPS) — Reserved per the PCI Express* Base Specification.
Postable Memory Write Enable (PMWE) — Reserved per the PCI Express* Base
Specification.
Special Cycle Enable (SCE) — Reserved per the PCI Express* Base Specification.
Bus Master Enable (BME) — R/W.
0 = Disable. All cycles from the device are master aborted
1 = Enable. Allows the root port to forward cycles onto the backbone from a PCI
Memory Space Enable (MSE) — R/W.
0 = Disable. Memory cycles within the range specified by the memory base and limit
1 = Enable. Allows memory cycles within the range specified by the memory base and
I/O Space Enable (IOSE) — R/W. This bit controls access to the I/O space registers.
0 = Disable. I/O cycles within the range specified by the I/O base and limit registers
1 = Enable. Allows I/O cycles within the range specified by the I/O base and limit
power management and MSI is not enabled.
Express* device.
registers are master aborted on the backbone.
limit registers can be forwarded to the PCI Express device.
are master aborted on the backbone.
registers can be forwarded to the PCI Express device.
0000h
Description
Attribute:
Size:
R/W, RO
16 bits
701
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