Справочник Пользователя для Intel D425 AU80610006252AA
Модели
AU80610006252AA
Processor Configuration Registers
84
Datasheet
1.7.2
DMIPVCCAP1 - DMI Port VC Capability Register 1
B/D/F/Type: 0/0/0/DMIBAR
Address Offset:
4-7h
Default Value:
00000001h
Access:
RO; RWO;
Size: 32
bits
Describes the configuration of PCI Express Virtual Channels associated with this port.
Bit Access Default
Value
RST/
PWR
Description
31:7 RO
0000000h
Core
Reserved ():
6:4 RO 000b Core
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.
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.
arbitration.
3 RO 0b Core
Reserved ():
2:0 RWO 001b Core
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
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.