Intel Xeon Wolfdale E3210 P4X-UPE3210-316-6M1333 数据表
产品代码
P4X-UPE3210-316-6M1333
Direct Media Interface (DMI) RCRB
260
Datasheet
9.1
DMIVCECH—DMI Virtual Channel Enhanced
Capability
B/D/F/Type:
0/0/0/DMIBAR
Address Offset: 0–3h
Default Value:
04010002h
Access:
RO
Size:
32 bits
This register indicates DMI Virtual Channel capabilities.
9.2
DMIPVCCAP1—DMI Port VC Capability Register 1
B/D/F/Type:
0/0/0/DMIBAR
Address Offset: 4–7h
Default Value:
00000001h
Access:
RWO, RO
Size:
32 bits
This register describes the configuration of PCI Express Virtual Channels associated
with this port.
Bit
Access
Default
Value
Description
31:20
RO
040h
Pointer to Next Capability (PNC): This field contains the offset to the next
PCI Express capability structure in the linked list of capabilities (Link Declaration
Capability).
PCI Express capability structure in the linked list of capabilities (Link Declaration
Capability).
19:16
RO
1h
PCI Express Virtual Channel Capability Version (PCIEVCCV): Hardwired
to 1 to indicate compliances with the 1.1 version of the PCI Express
specification.
Note: This version does not change for 2.0 compliance.
to 1 to indicate compliances with the 1.1 version of the PCI Express
specification.
Note: This version does not change for 2.0 compliance.
15:0
RO
0002h
Extended Capability ID (ECID): Value of 0002 h identifies this linked list item
(capability structure) as being for PCI Express Virtual Channel registers.
(capability structure) as being for PCI Express Virtual Channel registers.
Bit
Access
Default
Value
Description
31:7
RO
0000000h Reserved
6:4
RO
000b
Low Priority Extended VC Count (LPEVCC): Indicates the number of
(extended) Virtual Channels in addition to the default VC belonging to the low-
priority VC (LPVC) group that has the lowest priority with respect to other VC
resources in a strict-priority VC Arbitration.
The value of 0 in this field implies strict VC arbitration.
(extended) Virtual Channels in addition to the default VC belonging to the low-
priority VC (LPVC) group that has the lowest priority with respect to other VC
resources in a strict-priority VC Arbitration.
The value of 0 in this field implies strict VC arbitration.
3
RO
0b
Reserved
2:0
RWO
001b
Extended VC Count (EVCC): Indicates the number of (extended) Virtual
Channels in addition to the default VC supported by the device.
The Private Virtual Channel is not included in this count.
Channels in addition to the default VC supported by the device.
The Private Virtual Channel is not included in this count.